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The Complete Guide to Task Management and Work Management | A Thorough Explanation from GTD Methods and Kanban Boards to Tool Comparisons

By understanding the difference between task management and work management and utilizing them appropriately, individual productivity can be improved by 20-30%, and overall organizational efficiency can be increased by up to 40%.

In this article, we will systematically explain concrete methods and tools that can be implemented immediately to break through the harsh reality that Japan's labor productivity ranks 29th out of 38 OECD member countries.

Task management enhances tactical execution efficiency for individuals and small teams, while work management functions as a higher-level concept that supports the achievement of strategic goals for the entire organization.

We will introduce five proven methods, including the Eisenhower Matrix, the GTD method, Kanban boards, and the PDCA cycle, in detail, tailored to the actual situation of Japanese companies.

We have thoroughly compared the latest task management tools for 2024-2025, ranging from free Google tools (Keep, Tasks, Calendar) to Todoist, Asana, ClickUp, and Monday.com.

We have also clarified selection criteria for tools with Excel-like interfaces that are easy to introduce even in organizations without high IT literacy.

We also provide methods for creating task management sheets with Gantt charts in Excel, automation using conditional formatting, and three ready-to-use templates.

Task management ability is one of the most valued skills in the job market, and PMP certification holders earn 33% higher salaries than non-certified individuals.

We have covered information directly linked to career advancement, from how to create episodes using the STAR method evaluated in interviews to how to write quantitative achievement indicators that should be included in your resume.

You can dramatically improve your task management ability by mastering five core elements: task prioritization, scheduling ability, digital tool utilization, communication and delegation, and continuous improvement.

We also explain practical techniques common to those who are good at task management, such as the PDCA cycle through weekly reviews, time-boxing techniques, and batch processing, without omission.

We show the path to achieving certain results through three concrete actions you can start today and a phased implementation roadmap for 3, 6, and 12 months.

By reading this article, you will clarify the methods for a phased transition from task management to work management, measures to improve team-wide productivity, and concrete steps to strengthen organizational competitiveness.

Last updated: July 24, 2026 (First published: September 28, 2025)


AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

1. Basic Concepts and Differences between Task Management and Work Management

In the modern business environment, management methods for efficiently advancing work are diversifying.

With terms like task management, project management, and work management flying around, accurately understanding each concept and using them appropriately is the key to improving organizational productivity.

Especially in Japanese companies, they are facing the unavoidable reality of a shrinking labor population, and are required to produce maximum results with limited human resources.

In fact, according to 2023 OECD data, Japan's labor productivity ranks 29th out of 38 countries ($56.8 per hour), a harsh reality that is one-third that of Ireland ($154.90) and less than half that of Norway or Luxembourg.

To break through this situation, it is important to first correctly understand the difference between task management and work management.

<What you will learn in this chapter>
(1) Understand the relationship between tasks and work management
(2) The five elements that constitute task management ability

Basic concepts and differences between task management and work management
Basic concepts and differences between task management and work management

(1) Understand the relationship between tasks and work management

Task management and work management function at different hierarchical levels within an organization.

Task management functions at the individual or small team level and focuses on the completion of specific work items.

The duration is usually a few days to a few weeks, with clear deliverables defined, emphasizing tactical execution efficiency.

For example, specific tasks such as "creating sales reports," "replying to customer emails," and "preparing meeting materials" are the subjects of task management.

On the other hand, work management functions at the organization-wide level, aiming to coordinate multiple projects and resources, ensure alignment with strategic goals, and create long-term value.

Work management is positioned as a higher-level concept that encompasses task management, project management, resource management, and portfolio management.

The Project Management Institute (PMI) 2024 framework defines work management as a "meta-version of project management."

This goes beyond simple task tracking to aim for the realization of business outcomes.

"Japan's labor productivity ranking is 29th out of 38 OECD member countries. Small and medium-sized enterprises have less than half the labor productivity of large corporations."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

Given this current situation, a phased transition from task management to work management is essential for improvement.

As a guideline for specific application scale, task management tools are sufficient for teams of 5 or fewer, but in environments with organizations exceeding 20 people or multiple parallel projects, a work management platform is necessary.

For organizations of 50 or more, enterprise-level work management solutions are recommended.

As a challenge unique to Japanese companies, it is necessary to realize efficient work management while maintaining consistency with approval systems and hierarchical decision-making structures.

According to a 2024 survey, major companies such as Japan Airlines and SoftBank have adopted US-based work management platforms (such as Asana) and are developing a hybrid approach that fuses traditional Japanese management methods with Western efficiency tools.

(2) Five elements that constitute task management ability

Task management ability consists of the following five core elements.

  1. Prioritization skills

    • The ability to accurately judge urgency and importance and optimally allocate resources.

    • It is ideal to utilize the Eisenhower Matrix and allocate 65-70% of your time to tasks that are important but not urgent (Quadrant 2).

    • According to a 2024 Harvard Business Review study, this ability has been confirmed to increase productivity by an average of 25%.

  2. Scheduling ability

    • Realistic time estimation and the setting of buffers are important.

    • To avoid the planning fallacy bias, it is recommended to use estimates based on past performance data and to set a 20-30% buffer.

    • In Japanese companies, it is particularly necessary to allocate time while considering the length of meetings and the consensus-building process.

  3. Digital Tool Proficiency

    • Effective use of task management tools can be expected to improve efficiency by 30-40% compared to manual management.

    • According to a 2024 LinkedIn survey, digital tool proficiency has become one of the most valued skills in the job market.

    • In particular, an understanding of API integration and workflow automation is essential.

  4. Communication and Delegation

    • This includes clearly defining tasks, setting expectations, and systematizing progress reporting.

    • In Japanese companies, a balance is required that leverages the culture of 'Ho-Ren-So' (reporting, communicating, and consulting) while avoiding excessive meetings.

    • Cases have been reported where the use of asynchronous communication tools has reduced meeting time by 50%.

  5. Continuous Improvement and Review

    • Implementing a weekly review increases task completion rates by an average of 15%.

    • By utilizing the Japanese 8-step implementation of the PDCA cycle (Toyota style), we systematically advance improvements from problem clarification to standardization.

    • According to meta-analysis research (2021, 158 studies, N=14,871), time management training has been shown to improve work performance by an average of 23%.

"Team task management is a management system for executing business strategies, where tasks are broken down into specific actions at the team level and executed efficiently within the team."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

From this perspective, it is important to elevate individual skills into organizational capabilities.

For implementation in Japanese small and medium-sized enterprises, the key to success is for management to first understand the importance of these elements and then gradually roll them out across the entire organization.

Especially in environments with many employees who do not have high IT literacy, selecting tools with intuitive interfaces and ensuring sufficient training periods are essential.

AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

2. Work Management Techniques Learned from People Who Are Good at Task Management

Successful organizations and business professionals share common characteristics in their work management.

They consistently practice simple yet effective methods.

In this chapter, we will explain five proven methods tailored to the realities of Japanese companies.

<What you will learn in this chapter>
(1) The 4-Quadrant Matrix for instant priority judgment
(2) Practical steps to clear your mind with the GTD method
(3) Methods to visualize progress with Kanban boards
(4) Time allocation techniques linked to time management
(5) The PDCA cycle for continuous improvement through weekly reviews

Work Management Techniques Learned from People Who Are Good at Task Management
Work Management Techniques Learned from People Who Are Good at Task Management

(1) The 4-Quadrant Matrix for instant priority judgment

The Eisenhower Matrix is a prioritization tool based on the famous quote by the 34th U.S. President Dwight D. Eisenhower: 'What is important is seldom urgent, and what is urgent is seldom important.'

This matrix classifies tasks into four quadrants based on two axes: urgency and importance.

  • Quadrant 1 (Urgent and Important): Crisis Management Tasks

    1. This includes projects nearing deadlines, customer complaint responses, and system failure responses.

    2. Ideally, this should be kept to 10-15% or less of the total, but in the reality of Japanese companies, it often accounts for 30-40%.

    3. Tasks in this quadrant must be executed immediately, but an excessive amount indicates a lack of planning.

  • Quadrant 2 (Important but Not Urgent): Strategic Tasks

    1. This includes long-term planning, team development, skill enhancement, and preventive maintenance.

    2. Ideally, 65-70% of your total time should be allocated to this quadrant.

"Building an organization is not just a formal requirement for an IPO; it is fundamentally necessary to improve company performance and increase corporate value."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

From this perspective, investment in this quadrant determines the growth of the organization.

  • Quadrant 3 (Urgent but Not Important): Interruptive Tasks

    1. This includes unnecessary meetings, formal reporting, and sudden requests from other departments.

    2. Keep this to 15-20% or less of the total, and consider delegation or automation whenever possible.

    3. Due to the 'social obligation' culture unique to Japanese companies, this quadrant tends to become bloated.

  • Quadrant 4 (Neither Urgent nor Important): Wasteful Tasks

    1. This includes excessive social media browsing, unnecessary document creation, and routine tasks that have lost their purpose.

    2. Reduce these to less than 5% of the total and eliminate them whenever possible.

    3. According to a 2024 study, due to a cognitive bias called the "mere urgency effect," people tend to overestimate tasks that appear urgent. To counter this, the following practical methods are recommended:

      • Set aside 10 minutes every morning for task classification to sort all tasks into the four quadrants.

      • Start your day with Quadrant 2 tasks and assign them to your most productive hours.

      • Schedule Quadrant 3 tasks for your low-energy afternoon hours or process them in batches.

    4. Measure the time allocation for each quadrant during your weekly review to bring it closer to the ideal distribution.

(2) Practical Steps to Clear Your Mind with the GTD Method

GTD (Getting Things Done) is a comprehensive task management system developed by David Allen.

It is based on the fundamental philosophy of "clearing your mind and entrusting everything to an external, reliable system."

  1. Step 1: Capture - Record Everything

    • Record every task, idea, and concern that comes to mind into an external system.

    • Choose the method that is easiest for you to use, such as a paper notebook, a smartphone app, or voice memos.

    • The important thing is to keep the number of collection points to a minimum (ideally three or fewer).

  2. Step 2: Clarify - Convert into an Actionable Form
    Process the collected items one by one and make the following decisions:

    • Is it actionable? → If no: delete, add to a someday/maybe list, or store as reference material.

    • Can it be completed in under 2 minutes? → If yes: do it immediately.

    • Should I be the one to do it? → If no: delegate.

    • Does it require multiple steps? → If yes: manage it as a project.

  3. Step 3: Organize - Place in the appropriate location
    Organize the processed items into the following lists:

    • Next Action List (by context: @office, @home, @on-the-go, etc.)

    • Project List (groups of tasks requiring multiple steps)

    • Calendar (items that must be executed at a specific date and time)

    • Waiting List (items waiting for a response from others)

    • Someday/Maybe List (ideas to consider in the future)

  4. Step 4: Review - Periodic check-ins

    • Daily Review (5-10 minutes): Check the next action list and calendar

    • Weekly Review (60-90 minutes): Review all lists, update, and re-evaluate priorities

    • Monthly Review (2-3 hours): Confirm alignment with long-term goals and improve the system

  5. Step 5: Engage - Selecting the Right Task

    • Context (current location and available tools)

    • Available time

    • Energy level

    • Priority

Considering these factors, select the optimal task for that moment.

In 2024 best practices, Todoist provides the optimal GTD implementation through natural language processing, while Notion is suitable for complex project management.

As a successful implementation case in a Japanese company, there is an example of a mid-sized IT firm (150 employees) that introduced GTD company-wide, reducing meeting times by 30% and improving project delays by 50%.

(3) Methods for visualizing progress with Kanban boards

Kanban boards are visual management tools born from the Toyota Production System.

They visualize the flow of tasks, identify bottlenecks, and promote continuous improvement.

  1. Basic column structure

    • To Do: Prioritized pending tasks

    • In Progress: Tasks currently being worked on

    • Review: Tasks waiting for completion or approval

    • Done: Completed tasks
      It is also recommended to add an 'Approval Pending' column to suit the actual circumstances of Japanese companies.

  2. Setting WIP (Work In Progress) Limits

    • Set the maximum number of tasks that can exist in each column at the same time.

    • As a general guideline, 2-3 tasks per person is appropriate.

    • This prevents a decrease in efficiency caused by multitasking.

    • According to research, WIP limits reduce completion time by an average of 25%.

  3. Physical Boards vs. Digital Boards

    • Physical boards are effective for teams of 8 or fewer people at the same location.

    • They have high visibility and foster a sense of team unity.

    • Digital boards are essential for distributed teams and remote work environments.

    • Major digital Kanban tools include Trello, Jira, Asana, and Monday.com.

  4. Tracking Metrics

    • Lead Time: The time from when a task is added to the board until it is completed

    • Cycle Time: The time from the actual start of work until completion

    • Throughput: The number of tasks completed per unit of time

    • Block Rate: The percentage of tasks stalled due to obstacles

By visualizing tasks, you can grasp whether tasks that should be performed from the perspective of management strategy are set without omissions, and whether responsibilities have been assigned to those tasks to ensure proper role distribution.

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

Success Factors in Japanese Companies

  • Implement concise progress sharing during morning meetings (stand-up meetings)

  • Utilize color-coding and icons for intuitive information communication

  • Review operational rules during regular improvement meetings (Kaizen)

  • Active participation and support from management

(4) Time Allocation Techniques Linked to Time Management

Integrating task management and time management is a key element in bridging the gap between planning and execution.

Time Boxing Technique

Assign a fixed time frame to each task and make as much progress as possible within that time.

Counteract Parkinson's Law (work expands to fill all available time).

Standard time frames:

  • 25 minutes (Pomodoro)

  • 50 minutes (Class period)

  • 90 minutes (Ultradian rhythm)

Reserve 20-30% as buffer time to handle unexpected interruptions.

Coordination with Energy Management

  • Morning people should schedule creative tasks in the morning and routine work in the afternoon

  • For night owls, schedule routine tasks in the morning and creative tasks from afternoon to evening

  • Realistic allocation considering typical Japanese working hours (9:00 AM - 6:00 PM)

  • Schedule light tasks or meetings during the post-lunch productivity slump (1:00 PM - 2:00 PM)

Improvement through time tracking

  • Record actual work time and analyze discrepancies with estimates

  • Visualize time allocation by task category

  • Identify unproductive activities (excessive meetings, checking emails, etc.)

  • Review and optimize time allocation on a weekly basis

Utilizing batch processing

Reduce context switching by grouping similar tasks together

  • Email processing: Fixed times 2-3 times a day (e.g., 9:00 AM, 1:00 PM, 5:00 PM)

  • Phone calls: Concentrate during specific time slots

  • Document creation: Perform in batches on specific days of the week

This can increase your focused time by up to 40%.

(5) PDCA cycle for continuous improvement through weekly reviews

The PDCA cycle is a widely recognized improvement method in Japan, and it is also a powerful tool for task management.

Implementation of the Toyota-style 8-step PDCA

Plan stage:

  1. Clarification of the problem: Identify current issues in task management

  2. Grasping the current situation: Data collection and analysis

  3. Goal Setting: Improvement Goals Based on SMART Criteria

  4. Factor Analysis: Identifying Root Causes Through the 5 Whys Analysis

  5. Countermeasure Planning: Concrete Improvement Actions

Do (Execution) Phase:

Implementation of Countermeasures: Starting with a Small-Scale Pilot

Check (Verification) Phase:

Effectiveness Confirmation: Quantitative Outcome Measurement

Act (Standardization) Phase:

Standardization and Horizontal Deployment: Rolling Out Successful Improvements Across the Organization

Concrete Process for Weekly Reviews

Set aside 60-90 minutes on Friday afternoon or Monday morning.

Reviewing Completed Tasks (20 minutes):

  • Record what has been achieved

  • Identify what went well

  • Identify areas that need improvement

Planning for the Next Week (30 minutes):

  • Re-evaluating priorities

  • Synchronizing with the calendar

  • Checking and adjusting resources

System Improvements (20 minutes):

  • Reviewing tools and processes

  • Considering new methods

  • Collecting team feedback

Alignment check with long-term goals (20 minutes):

  • Checking progress toward quarterly goals

  • Making course corrections as needed

KPI setting for continuous improvement

  • Task completion rate: Ratio of planned vs. actual (Goal: 80% or higher)

  • Delay rate: Percentage of tasks that missed deadlines (Goal: 20% or lower)

  • Urgent task ratio: Percentage of tasks in the first quadrant (Goal: 15% or lower)

  • Improvement suggestions: Number of improvement ideas from team members (Goal: 3 or more per week)

By practicing the 'PDCA cycle for continuous improvement through weekly reviews,' 'realizing team task management makes tasks visible—such as who is doing what and their level of contribution—within the company, which increases information transparency and improves corporate culture.'

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

These are the effects you can expect.

In a success story at a Japanese manufacturing company (500 employees), continuing weekly reviews for 6 months resulted in a 60% reduction in project delays and a monthly average reduction of 20 hours in overtime.

AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

3. [Free] Complete Comparison of Work Management Tools for Task Management

For companies and individuals looking to achieve effective task management while keeping costs down, choosing a free tool is an important decision.

According to 2024-2025 market research, selecting the right tool can improve productivity by 20-30% with zero initial investment.

In this chapter, we will introduce the optimal tools based on actual usability and return on investment.

<What you will learn in this chapter>
(1) 3 Recommended Free Google Tools (Keep, Tasks, and Calendar Integration)
(2) Top 5 Recommended Task Management Apps for Individuals
(3) Top 5 Recommended Task Management Apps for Teams
(4) Getting Started with Task Management by Suiting Up

[Free] Complete Comparison of Task Management Tools
[Free] Complete Comparison of Task Management Tools

(1) 3 Recommended Free Google Tools (Keep, Tasks, and Calendar Integration)

The Google Workspace suite of tools offers the significant advantage of being immediately available with an existing Google account, requiring no initial investment.

  1. Google Keep - Intuitive Note-Taking and Task Management

    • Google Keep features a visual interface similar to sticky notes.

    • It is packed with mobile-first features such as voice input, image attachments, and location-based reminders.

    • You can efficiently manage up to 500 notes using color-coding and labels for categorization.

    • Real-time collaborative editing allows for simple task sharing within a team.

    • However, it is not suitable for complex project management or managing dependencies.

  2. Google Tasks - A simple and practical task list

    • Its greatest strength is its native integration with Gmail and Google Calendar.

    • You can create tasks directly from emails, and setting a deadline will automatically display them on your calendar.

    • With the subtask feature, you can break down and manage large tasks.

    • The mobile app has excellent usability and supports offline synchronization.

    • With the 2024 update, recurring task settings and detailed notification customization have been added.

  3. How to utilize integration with Google Calendar

    • Use the time blocking feature to assign specific work hours to tasks.

    • With the "Focus Time" feature, you can automatically secure time for concentrated work.

    • Share task deadlines on team calendars to visualize overall progress.

    • By automatically generating Google Meet URLs, you can reduce preparation time for online meetings.

  4. Best Practices for Implementation

    • Start by introducing it in small teams (5 people or fewer) and expand gradually.

    • Configure permissions by organizational unit in the Google Workspace Admin console.

    • Review Google Tasks completion rates weekly, aiming for 80% or higher.

    • Use integration tools like Zapier to build automation with other systems.

"Companies are not proactive about 'introducing digital technology' to improve labor productivity."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

Considering this current state of Japanese companies, these tools, which can be started with existing Google accounts, are ideal as a first step toward digitalization.

(2) Top 5 Recommended Task Management Apps for Individuals

Apps specialized for individual productivity improvement are characterized by designs that emphasize habit formation and continuity.

  1. Todoist (Free version available)

    • With natural language processing, you can register tasks simply by typing "meeting tomorrow at 3 PM."

    • The Karma point system makes completing tasks feel like a game.

    • Even the free version allows you to manage up to 5 projects and 80 tasks.

    • Integration with over 150 apps enables workflow automation.

    • The Premium version (488 yen per month) offers unlimited access to reminders, labels, and filter features.

  2. Microsoft To Do (Completely Free)

    • Perfect for business users due to its full integration with Outlook and Office 365.

    • The "My Day" feature allows you to select tasks to focus on for the day.

    • Smart lists automatically extract important tasks.

    • The shared list feature allows you to share tasks with family and colleagues.

    • Syncs across all platforms including Windows, Mac, iOS, and Android.

  3. Any.do (Free version available)

    • The voice input accuracy is high, allowing you to register tasks while driving or on the move.

    • Integration with WhatsApp allows you to create tasks directly from chats.

    • Location-based reminders allow you to set notifications based on where you are.

    • The free version offers sufficient basic features and is ideal for personal use.

    • The Premium version ($5.99/month) enables unlimited tasks and project management.

  4. TickTick (Free version available)

    • With a built-in Pomodoro timer, you can integrate task execution and time management.

    • The habit tracker feature helps you establish daily habits.

    • Kanban board view allows for visual task management.

    • Even in the free version, you can register up to 99 lists, with 99 tasks per list.

    • The Premium version ($2.99/month) allows access to calendar views and statistics features.

  5. Notion (Free for personal use)

    • With its database functionality, you can manage and analyze tasks from multiple perspectives.

    • You can immediately use templates for GTD or OKR management from the template gallery.

    • Markdown support makes it easy to integrate with technical documentation and knowledge bases.

    • Unlimited pages and blocks allow for scalable information management.

    • APIs and Webhooks enable advanced automation and customization.

(3) Top 5 Recommended Task Management Apps for Teams

Selecting the optimal tool based on team size and operational characteristics is the key to successful implementation.

  1. Asana (Free for up to 15 users)

    • You can reduce routine tasks by 50% through workflow automation.

    • You can get an overview of the entire project with the timeline view (Gantt chart).

    • The portfolio feature allows you to manage multiple projects across the board.

    • Integration with existing systems is easy thanks to over 100 app integrations.

    • It offers extensive Japanese support and has a proven track record of implementation in domestic companies.

  2. Trello (Free for up to 10 users)

    • The intuitive operation of the Kanban board allows even members with low IT literacy to start using it immediately.

    • You can selectively add necessary features using Power-Ups.

    • You can streamline repetitive tasks through automation with the Butler feature.

    • Even in the free version, 10 boards and unlimited cards and lists are available.

    • The mobile app is highly polished, making it easy to update tasks while on the go.

  3. ClickUp (Free with unlimited users)

    • With over 15 view formats, you can display information according to team member preferences.

    • The AI assistant 'ClickUp Brain' enables automatic task generation and summarization (additional $5/user per month).

    • It is a comprehensive platform that integrates documents, goals, and whiteboard features.

    • Even the free version offers 100MB of storage and unlimited tasks.

    • Custom fields allow for industry-specific information management.

  4. Monday.com (Free for up to 2 users)

    • You can track KPIs in real-time with visual dashboards.

    • You can instantly implement industry-specific best practices from over 200 templates.

    • With the form feature, you can automatically turn external requests into tasks.

    • Time tracking features allow for project profitability analysis.

    • However, paid plans often require a minimum of 3 users ($9/user per month).

  5. Backlog (Made in Japan, 30-day free trial)

    • Fully supports Japanese and is optimized for Japanese business practices.

    • Specializes in development project management with Git/SVN integration.

    • Standard equipment includes Gantt charts and burndown charts, making progress management easy.

    • The Wiki feature allows for centralized management of project-related documents.

    • Available from the Starter Plan (2,640 yen per month), making it suitable for small and medium-sized enterprises.

(4) Task Management Starting with SuitUp

The management support cloud 'SuitUp' offers a unique approach to solving task management challenges for small and medium-sized enterprises in Japan.

The Advantage of an Excel-like Interface

The biggest feature of SuitUp is its user-friendly interface, which resembles spreadsheet software.

Considering the current situation where many Japanese companies already use Excel, it minimizes the learning cost.

'Many business people do not want to introduce new systems. They expect that the way they work today will continue exactly the same tomorrow.'

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

Given this reality, it can be introduced without significantly changing existing work flows.

With intuitive drag-and-drop operations, you can start using it without reading complex manuals.

Reducing Input Burden with Task Template Features

It comes standard with task templates supervised by professionals such as lawyers, accountants, and management consultants.

You can choose from approximately 10,000 templates optimized by industry and job type.

AI learns past input patterns and automatically suggests the next task.

Input fields are narrowed down to the bare minimum, allowing task registration to be completed in 2-3 clicks.

Routine tasks can be duplicated and edited with a single click.

Mechanisms to Support Continued Use

We provide a phased introduction program that considers the 66 days required for habit formation (the average value according to research by University College London).

The weekly report feature automatically presents team usage status and points for improvement.

With gamification elements, task completion leads to a sense of achievement for the team.

We support the optimal setup for your organization through free onboarding sessions with experts.

With monthly support (optional), you can receive ongoing improvement suggestions.

Demonstrating Return on Investment

In case studies of companies that have implemented it, the following results have been achieved in 3 months:

  • Task completion rate: 65% → 85% (20 point improvement)

  • Deadline compliance rate: 70% → 90% (20 point improvement)

  • Meeting time: 10 hours/week → 6 hours/week (40% reduction)

  • Overtime hours: 30 hours/month → 20 hours/month (33% reduction)

The pricing structure is also friendly to small and medium-sized enterprises, with 0 yen initial costs, the Starter plan available from 500 yen/user per month, and the Standard plan available from 1,080 yen/user per month.

You can verify the effectiveness in actual operations during the 7-day free trial period.

Details can be found at https://suitup.jp/.

“The difficulty in introducing a system is that not even a single mistake is tolerated. Just as a system will not run if there is a mistake when an engineer writes the programming to operate it, the input information required to operate the system is the same.”

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

To address such challenges, SuitUp solves this problem by enhancing its input assistance features.

AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

4. Work Management for Task Management Starting with Excel

By leveraging existing Excel skills, you can build a full-scale task management system without additional investment.

By using Excel, which is a standard tool in many Japanese companies, it is possible to minimize implementation barriers while advancing digitalization in stages.

In this chapter, we will explain practical methods that can be used immediately in actual work.

<What you will learn in this chapter>
(1) How to create a task management table with a Gantt chart
(2) Conditional formatting to improve efficiency with automation features
(3) 3 recommended Excel templates for team sharing

Work management for task management starting with Excel
Work management for task management starting with Excel

(1) How to create a task management table with a Gantt chart

By creating a Gantt chart in Excel, you can grasp the progress of the entire project at a glance.

Designing the basic structure

  • Column A: Task ID (managed by sequential numbers)

  • Column B: Task Name (specific and clear expression)

  • Column C: Person in Charge (selected from a pull-down list)

  • Column D: Start Date (entered in date format)

  • Column E: End Date (entered in date format)

  • Column F: Progress Rate (displayed as 0-100%)

  • Column G: Status (Not Started/In Progress/Completed/On Hold)

  • Column H and beyond: Calendar display (dates expanded on the horizontal axis)

Steps to create a Gantt chart

Create a calendar header for the project period.

Enter the start date in cell H1 and automatically expand the dates to the right.

Enter the formula =H1+1 into cell I1 and copy it for the required period.

Display the bars using conditional formatting.

Set the following conditional formula for cell H2 and beyond:

  • =AND(D2<=H$1,E2>=H$1)

If the condition is met, color the cell (blue is recommended).

Visualize the progress status.

Display completed parts in a dark color and incomplete parts in a light color:

  • =AND(D2<=H$1,E2>=H1,H$1<=TODAY()(F2/100)+D2*(1-D2(1D2*(1-F2/100))

Dependency Management

Add a column for prerequisite tasks and reference them by task ID.

Set a formula to automatically calculate the start date:

  • =IF(ISBLANK(PrerequisiteTask),ManualInputDate,VLOOKUP(PrerequisiteTask,TaskTable,EndDateColumn,FALSE)+1)

Highlight the critical path in red to clarify the key points of the project.

Automation of Progress Management

Use the TODAY() function to automatically detect delayed tasks.

  • =IF(AND(F2<100,E2<TODAY()),"Delayed","Normal")

Create a dashboard for weekly reports on a separate sheet:

  • Overall Progress Rate: =AVERAGE(F:F)

  • Number of Delayed Tasks: =COUNTIF(G:G,"Delayed")

  • Scheduled for Completion This Week: =COUNTIFS(E:E,">="&TODAY(),E:E,"<"&TODAY()+7)

"Team task management realizes significant cost reductions. In particular, setting deadlines for all tasks has an impact on improving labor productivity."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

This effect can also be achieved in Excel.

(2) Streamlining with Conditional Formatting Automation

By utilizing conditional formatting, you can automatically highlight important information and significantly improve management efficiency.

Automating Deadline Management

  1. Deadline 3-day warning (yellow highlight):

    • =$E2-TODAY()<=3

    • =$E2-TODAY()>0

  2. Overdue warning (red highlight):

    • =$E2<TODAY()

    • =$F2<100

  3. Deadline day highlight (orange highlight):

    • =$E2=TODAY()

Color-coding by Priority

Add a priority column (High/Medium/Low) and set the following conditions:

  • High Priority (Red): =$H2="High"

  • Medium Priority (Yellow): =$H2="Medium"

  • Low Priority (Green): =$H2="Low"

You can also use icon sets for visual priority display.

Visualizing Progress Status

  1. Display progress rate as a bar graph using Data Bars:

    • Select column F, then go to Conditional Formatting > Data Bars > Gradient Fill

  2. Color-code entire rows based on progress rate:

    • 0-30%: Red shades

    • 31-70%: Yellow shades

    • 71-99%: Blue shades

    • 100%: Green shades (with strikethrough)

Display workload status by assignee

  1. Calculate the number of tasks for each assignee using the COUNTIF function:

    • =COUNTIF(C:C, Assignee Name)

  2. Warn of overload (5 or more tasks) using conditional formatting:

    • =COUNTIF(C:C:C:C,$C2)>=5

Advanced automation using custom formulas

  1. Alert based on multiple conditions:

    • =AND(F2<50,F2<50,F2<50,E2-TODAY()<=7,$H2="High")
      (Highlights tasks with less than 50% progress, due within 7 days, and high priority)

  2. Detecting delay risks for the entire team:

    • =COUNTIFS(C:C:C:C,C2,G:G:G:G,"Delayed")>2
      (Alerts when there are 3 or more delays for the same person)

(3) 3 Best Excel Templates for Team Sharing

By utilizing practical templates, you can start task management immediately.

Template 1: Weekly Task Management Table (for small teams)

  1. Components:

    • Task list by day of the week (Mon-Fri)

    • Fields for priority and estimated time

    • Fields for actual time and reflection comments

    • Weekly summary (Plan vs. Actual)

  2. Features:

    • Layout optimized for A4 printing

    • Tasks can be moved via drag & drop

    • Automatic man-hour aggregation function

    • Visibility of progress status through color coding

  3. Use Cases:

    • Teams of 5 people or fewer

    • Sharing progress in weekly meetings

    • Individual weekly planning

Template 2: Project Management Dashboard (for medium-sized projects)

Main sheet structure:

  1. Dashboard (General Overview)

    • Project Progress Rate (Pie Chart)

    • Milestone Achievement Status

    • List of Risks/Issues

    • Resource Usage Status

  2. Task Detail Sheet

    • WBS (Work Breakdown Structure) Format

    • Responsibility Assignment Matrix (RACI)

    • Specification of Dependencies

  3. Resource Management Sheet

    • Staffing Table

    • Skill Matrix

    • Utilization Rate Graph

  4. Report Sheet

    • Automated Weekly/Monthly Report Generation

    • KPI Tracking

    • Budget vs. Actual Management Table

Template 3: Agile Sprint Management Table (for Development Teams)

  1. Sprint Planning Features:

    • Story point estimation

    • Velocity tracking

    • Automatic burndown chart generation

    • Sprint retrospective recording

  2. Kanban Board Features:

    • Backlog/To Do/In Progress/Review/Done

    • WIP limit settings and alerts

    • Visualization of blockers

    • Automatic cycle time calculation

  3. Daily management functions:

    • Daily scrum records

    • Issue tracking

    • Pair programming assignments

    • Code review status

Best practices for template implementation

  1. Phased feature addition
    Start by using only basic features, and add advanced features as the team's proficiency increases.

  2. Standardization of naming conventions

    • File name: [Project Name] Task Management [YYYYMMDD].xlsx

    • Sheet name: Concise and easy-to-understand English notation

  3. Version Control

    • Achieve simultaneous editing and automatic backups through sharing on OneDrive or Google Drive

    • Recording change history and creating weekly archives

    • Setting access permissions

      1. View only: Stakeholders

      2. Editable: Project members

      3. Full access: Project managers

There are seven approaches to improving operations: task standardization, elimination, outsourcing, consolidation, simplification, normalization, and systemization.

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

From this perspective, Excel templates are an effective first step toward standardization.

These templates can be downloaded for free from the official Microsoft website and various business template sites.

However, if your team size exceeds 20 people or if real-time collaborative editing is required, we recommend considering a transition to a dedicated task management tool.

AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

5. How to Leverage Task Management Skills in Your Self-Promotion

In the job market, task management ability has become one of the most in-demand skills.

According to a 2024 LinkedIn survey, project management skills are in the top three for demand, and PMP certification holders earn 33% higher salaries (averaging $120,000) than non-certified individuals.

In this chapter, we will explain specific ways to effectively highlight this skill and lead it to career advancement.

<What you will learn in this chapter>
(1) How to create specific episodes that will be evaluated in interviews
(2) Quantitative performance indicators to include in your resume

How to Leverage Task Management Skills in Your Self-Promotion
How to Leverage Task Management Skills in Your Self-Promotion

(1) How to create specific episodes that will be evaluated in interviews

What interviewers are looking for is not theoretical knowledge, but actual problem-solving ability and a track record of achieving results.

Structured explanation using the STAR method

  1. Situation: Briefly explain the background challenges or environment.
    'In my previous job, with requests coming in simultaneously from five departments, priorities were unclear, and project delays were chronic.'

  2. Task: Clarify the specific challenges you needed to solve.
    'My role was to efficiently manage over 50 tasks per month and reduce the overall delay rate to 20% or less.'

  3. Action: Explain the specific actions taken.
    I introduced the Eisenhower Matrix and categorized all tasks into four quadrants. Furthermore, I implemented Asana to visualize the progress of the entire team and conducted weekly reviews to implement continuous improvements.

  4. Result: Emphasize quantitative achievements.
    Three months later, I reduced the project delay rate from 35% to 12% and improved the team's average monthly overtime from 30 hours to 18 hours.

Elements of a highly-regarded episode

  1. Clarification of scale
    Specifically state the number of projects managed, team size, and budget scale.
    Managed a team of 15, an annual budget of 30 million yen, and 10 concurrent projects.

  2. Specific names of tools and methods used
    Integrated use of GTD methods, Kanban boards, Jira, Slack, and Google Workspace.

  3. Stakeholder management
    Coordinated with over 30 stakeholders, including management, clients, and partner companies.

  4. Crisis management ability
    Built a new task management system in two weeks in response to the rapid shift to remote work due to COVID-19.

  5. Implementation of improvement cycles
    Ran PDCA cycles weekly, reviewed KPIs monthly, and implemented system improvements quarterly.

Emphasis points by industry

  1. For the IT industry:

    • Agile/Scrum experience

    • Collaboration in DevOps environments

    • Management of technical debt

    • Streamlining release management

  2. For Manufacturing:

    • Coordination with production planning

    • Improvement of quality control processes

    • Contribution to inventory optimization

    • Leading Kaizen activities

  3. For Service Industries:

    • Improvement of customer satisfaction

    • Improvement of SLA compliance rates

    • Management of cross-functional teams

    • Promotion of operational standardization

Practical Templates for Response Examples

"My greatest strength is the ability to systematically manage complex tasks and improve team productivity. In my previous position,

"Through team task management, employees start thinking for themselves, which fosters discipline, mutual support, and operational improvements."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

I put this philosophy into practice and promoted the visualization of tasks. Specifically, in a development team of 20 people, I improved the accuracy of sprint planning from 60% to 85% and reduced the number of customer complaints from 10 per month to 2 per month. Through this experience, I learned that I can contribute not just to simple task management, but to improving the overall capabilities of an organization."

(2) Quantitative performance indicators to include in your resume

Specific figures and achievements are essential for a resume that catches the eye of a recruiter.

Required items and methods for quantification

  1. Project completion rate
    "Completed 24 out of 25 assigned projects on time (96% completion rate)"

  2. Budget Management Performance
    Managed a project budget of 150 million yen in total, achieving a 100% on-budget completion rate for 3 consecutive years

  3. Productivity Improvement Metrics
    Increased team productivity by 35% through the introduction of a task management system (monthly output: 150 items before introduction → 203 items after)

  4. Time Reduction Effects
    Reduced meeting time from 15 hours per week to 8 hours per week (a 47% reduction), reallocating the saved time to development work

  5. Quality Improvement Metrics
    Reduced rework rate from 25% to 8% through the refinement of task management

How to Write Impactful Achievement Metrics

  1. Before/After Format:

    • [Before] Task management was personalized, requiring 2 hours every day to track progress

    • [After] Introduced Asana to visualize all tasks, shortening progress checks to 15 minutes

    • [Result] Annual reduction of 450 man-hours, equivalent to a cost saving of 2.25 million yen in labor costs

  2. Clarifying ROI (Return on Investment):

    • Task management tool introduction cost: 600,000 yen per year

    • Reduction effect: 3 million yen in overtime cost reduction + 1.5 million yen in outsourcing cost reduction

    • ROI: 650% (first year)

  3. Scaling Up:

    • Expanding individual task management methods to the entire department (50 people)

    • Achieved a reduction of 100 working hours per month across the entire department

    • Contributed to a productivity improvement equivalent to 6 million yen on an annual basis

  4. Examples of descriptions by career level

    • Junior Level (less than 3 years of experience):
      Task Management Skills

      1. Daily task management using Excel/Google Sheets

      2. Task progress sharing and weekly report creation for a 5-person team

      3. Maintained a 95% deadline compliance rate, earning trust from supervisors

      4. Experience operating Kanban boards using Trello

    • Middle Level (3-7 years of experience):
      Project/Task Management Achievements

      1. Simultaneously managed 5 projects at the 10-15 person scale

      2. Promoted agile development using Jira/Confluence

      3. Improved sprint planning accuracy: 60% → 85%

      4. Reduced lead time: average 14 days → average 9 days (36% improvement)

      5. Obtained PMP certification (2023)

    • Senior Level (7+ years of experience):
      Work Management Oversight Achievements

      1. Established a task management system for the entire division (100 people)

      2. Optimized project prioritization based on ROI criteria through portfolio management

      3. Oversaw 20 projects annually, achieving a 90% success rate

      4. Established a cross-organizational PMO and deployed best practices company-wide

      5. Built a dashboard for executive management, improving decision-making speed by 50%

Effective Listing of Qualifications and Certifications

  1. Certifications Obtained:

    • PMP (Project Management Professional) - Obtained in 2023

    • Certified ScrumMaster (CSM) - Obtained in 2022

    • ITIL Foundation - Obtained in 2021

  2. Currently Studying/Planned for Acquisition:

    • PMI-ACP (Agile Certified Practitioner) - Scheduled for exam in December 2024

    • Microsoft Project Certification - Currently studying

  3. Training and Development:

    • Time Management Training (XX Co., Ltd., 40 hours)

    • Facilitation Skills Training (Certified by △△ Association, 16 hours)

    • Fundamentals of Data Analysis (Coursera, 60 hours online)

  4. Specifying Tool Proficiency

    • Advanced Level:

      1. Asana: Operational design with administrator privileges, API integration, and custom field design

      2. Excel: Automation via VBA/macros, data integration with PowerQuery

    • Intermediate Level:

      1. Monday.com: Board design, automation rule configuration, and report creation

      2. Notion: Database construction, template creation, and permission management

    • Basic Level:

      1. Trello: Card management and utilization of Power-Ups

      2. Google Tasks: Personal task management and calendar integration

It is important to include these elements comprehensively.

Especially in Japanese companies, where contributions to teamwork and continuous improvement are also valued, we recommend emphasizing not only individual achievements but also the ripple effects on the entire organization.

AI Task Management Tool 'SuitUp'
AI Task Management Tool 'SuitUp'

6. Summary: 3 Actions for Task Management and Work Management to Start Today

We will review the concrete first steps to immediately put what you learned in this article into practice, as well as a roadmap for continuous improvement.

Even if you acquire knowledge of task management and work management, it is meaningless if you do not put it into practice.

In this chapter, we present three concrete actions you can execute starting tomorrow, along with a phased implementation roadmap for 3, 6, and 12 months.

3 Actions for Task Management and Work Management to Start Today
3 Actions for Task Management and Work Management to Start Today

Action 1: Assessing the Current Situation and Setting Priorities (Start Today)

First, list all the tasks you are currently handling.

Whether on paper or digitally, start by getting every task out of your head.

This corresponds to the 'Capture' phase of the GTD method and has an immediate effect on reducing mental load.

Next, use the Eisenhower Matrix to categorize them into four quadrants.

Specifically, clarify tasks in the second quadrant (important but not urgent) and decide to work on these tasks for the first two hours tomorrow.

'Managers who have a medium- to long-term incentive for the company's improvement should take the lead in building management systems.'

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

From this perspective, it is recommended that those in management positions or higher set the creation of organization-wide systems as their top priority task in the second quadrant.

Specific actions to be taken within one week:

  • List all tasks (Time required: 60 minutes)

  • Categorize into 4 quadrants (Time required: 30 minutes)

  • Start the habit of deciding the next day's three tasks the night before

  • Install one task management app on your smartphone (Todoist, Microsoft To Do, or Google Tasks)

  • Organize desktop shortcuts and place the task management tool in the most visible position

Action 2: Tool Introduction and Habituation (Within 1 Month)

At the individual level, start with free tools, and at the team level, utilize trial versions.

The important thing is not to seek perfection from the start.

According to research from University College London, it takes an average of 66 days to form a habit, but simple actions can become established in 18 days.

Therefore, start with a simple habit: 'check your task list every morning'.

  1. Implementation Steps:

    • Week 1: Registering personal tasks and checking them every morning (5 minutes)

    • Week 2: Setting deadlines and adding priorities

    • Week 3: Reviewing completed tasks and reflecting

    • Week 4: Starting to share with team members

  2. Criteria for Tool Selection:

    • 5 people or fewer: Google Tasks + Google Calendar is sufficient

    • 5-20 people: Trello (free) or Asana (free for up to 15 people)

    • 20 people or more: ClickUp (free with unlimited users) or consider paid plans

    • Organizations accustomed to Excel:Suit-up-like spreadsheet interfaces

  3. Tips for building habits:

    • Set smartphone notifications for 9:00 AM

    • Add task management tools to PC startup; set aside 5 minutes on weekends to prepare for the following week

    • Instead of deleting completed tasks, leave them with a strikethrough to visualize your sense of accomplishment

Action 3: Team Deployment and Continuous Improvement (3-Month Goal)

Once individual habit formation is underway, begin deployment to the entire team.

It is important to start with volunteers rather than making it mandatory.

By creating success stories and demonstrating their impact with data, participation will naturally increase.

Target state after 3 months:

  • All team members use task management tools daily

  • Conduct task reviews during weekly meetings

  • Achieve a delay rate of 20% or less and a deadline compliance rate of 80% or more

  • Reduce meeting time by 30%

  • Reduce overtime by 10 hours per month

Phased Implementation Roadmap

  1. 0-3 months (Foundation Building Phase):

    • Establishment of individual task management

    • Trial with free tools

    • Habitualization of weekly reviews

    • Accumulation of small success experiences

  2. 3-6 months (Team Deployment Phase):

    • Deployment to the entire team

    • Introduction of Kanban boards

    • Visualization of progress

    • KPI setting and start of measurement

    • Streamlining regular meetings

  3. 6-12 months (Optimization Phase):

    • Workflow automation

    • Strengthening collaboration with other departments

    • Horizontal deployment of best practices

    • ROI measurement and improvement

    • Reflection in next year's plan

Key points for success

  1. Commitment from Management
    It is essential for top leadership to take the initiative in using the system and communicate its importance to the organization.

  2. Phased Implementation
    Do not try to use all features at once; start with basic functions and expand gradually.

  3. Regular Reviews
    Review the usability of the system on a weekly or monthly basis and continue to make improvements.

  4. Measuring Effectiveness with Data
    Quantitatively measure changes before and after implementation to visualize the effects of improvements.

  5. Allowing for Failure
    Do not seek perfection from the start; find the optimal method through trial and error.

Conclusion: A Sure Step Toward Improving Productivity

To change the reality that Japan's labor productivity ranks 29th out of 38 OECD countries, a change in mindset and behavior for each individual is necessary.

Task management is not an individual issue, but a management challenge directly linked to the competitiveness of the entire organization.

The methods and tools introduced in this article are all effective and have been verified in practice.

The important thing is not to seek perfection, but to start.

From this very moment today, start by writing down your current tasks with pen and paper.

That small step will become a visible result in three months, and will take root as an organizational culture in one year.

"Business can succeed simply by doing the obvious things in an obvious way."

(Yusuke Komatsu. How to Build an Organization Where 1+1 Equals 10: Improving Productivity Through Team Task Management. Jitsugyo no Nihon Sha, 2025)

Keep these words in your heart and start practicing today.

Through continuous improvement and practice, you can connect individual productivity gains to improved team performance, and ultimately to strengthening the competitiveness of the entire organization.

Task management and work management are not just means for operational efficiency, but powerful tools that transform the way we work itself.

【Recommended Related Articles】

  1. The Complete Guide to Work Management in Excel | Includes Free Templates

  2. What is Work Management? From Definitions to Implementation Steps and Tool Comparisons [Complete Explanation]

  3. The Complete Guide to Asana Work Management | A Thorough Comparison of Features, Pricing, and Case Studies

AI Task Management Tool "Suit Up"
AI Task Management Tool "Suit Up"

About the Author

Yusuke Komatsu

Suit Co., Ltd. Representative Director and CEO. In March 2013, he was appointed Representative Director and President of Social Ecology Project Co., Ltd. (now Izu Shaboten Resort Co., Ltd., a company listed on the Tokyo Stock Exchange Standard Market), a company he joined as a new graduate. He led the group to profitability for the first time in seven years. In December 2014, he established Suit Co., Ltd. and became its Representative Director. Since April 2016, he has served as a Regional Vitalization Advisor for the Ministry of Internal Affairs and Communications and a Regional Revitalization Evangelist for the Cabinet Secretariat. Since June 2019, he has been a PPP Supporter for the Ministry of Land, Infrastructure, Transport and Tourism. In October 2020, he was appointed Representative Director and President of VAZ Co., Ltd., a YouTuber agency. He achieved monthly profitability and, in January 2022, successfully turned the company into a subsidiary of a listed company. In December 2022, he split off Suit Co., Ltd. to form a new entity, changed its trade name, and simultaneously became the Representative Director and CEO of the newly established Suit Co., Ltd. Currently, at Suit Co., Ltd., he is developing and operating the

team task management tool "Suit Up"
with the goal of improving labor productivity across Japanese society, from small businesses to large corporate teams.

* "Company-wide Task Management", "Company-wide Project Management", "Team Task Management", "Team Project Management", "Task Visualization", "Task Templates", "Work Management Tool", "Task Management Tool", "Task Management Tool" and "Project Management Tool" are registered trademarks of Suit Co., Ltd.

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