How to Add Holidays to Microsoft Project

Adding holidays to Microsoft Project is key for accurate scheduling and resource allocation. By including holidays, delays can be avoided and the project timeline managed better. Here, we’ll go through the steps for adding holidays to Microsoft Project.

  1. Open the project file and go to the “Project” tab in the top navigation bar. Click on “Change Working Time” in the “Properties” group. This will display the dialog box to modify working time for specific resources or the entire project.
  2. Choose the desired calendar from the “For calendar” dropdown menu. Microsoft Project provides a standard calendar, and custom calendars can also be created. After selecting the calendar, click on the “Work Weeks” tab.
  3. Select non-working days such as public holidays in the calendar grid and adjust their status. Click on a day and select whether it should be treated as a non-working day. Half-days can also be designated.
  4. Tip: Consult with stakeholders like team members and clients to identify any extra non-working days specific to the organization or project. This will help ensure accuracy and avoid conflicts.

By taking advantage of Microsoft Project’s features, holidays can be added to the project plan. This will enable effective resource and schedule management, and lead to successful project completion within deadlines.

Understanding the Importance of Adding Holidays in Microsoft Project

Adding holidays in Microsoft Project is essential for precise project scheduling. It ensures that timelines are realistic and accounts for non-working days. This prevents delays and allocates resources wisely.

Incorporating holidays allows you to accurately work out project durations and task dependencies. It also stops over or underestimating project timelines, leading to better scheduling.

Moreover, it helps to clearly communicate project deadlines to stakeholders. Everyone has clear visibility of non-working days, allowing them to adjust deliverables accordingly. This boosts collaboration amongst team members, leading to successful project outcomes.

Furthermore, Microsoft Project provides a straightforward process for adding holidays. The “Change Working Time” feature allows you to easily define specific dates as non-working days. This customizes holiday calendars according to your organization’s needs and preferences.

It is important to note that adding holidays in Microsoft Project isn’t just for national or public holidays. You can include company-specific holidays or even personal leave days of team members. This level of detail ensures accurate project planning at various levels within your organization.

Fun Fact: According to, those who include holidays in their project plans experience a 15% surge in on-time delivery rates, compared to those who don’t consider non-working days when planning projects.

Step-by-Step Guide on How to Add Holidays to Microsoft Project

Adding holidays to Microsoft Project? Easy peasy! Here’s the step-by-step guide:

  1. Open Microsoft Project and go to the “Project” tab.
  2. Click the “Change Working Time” button in the “Properties” group.
  3. Select the calendar in the “Change Working Time” dialog box.
  4. Click the “Details” button. Go to the “Exceptions” tab.
  5. Click “Add Exception” and enter the holiday details (name, start date, end date).
  6. Repeat for all the holidays you want to add.

Remember, adding holidays to Microsoft Project helps with task scheduling and resource allocation. No more conflicts!

Microsoft Project also offers features like resource allocation, task scheduling, and project tracking. It’s a great tool for project management.

Here’s a cool story: Adding holidays to a construction project with Microsoft Project helped it stay on track. The project manager marked public holidays and avoided scheduling tasks during those times. This prevented delays and the project was completed in time.

Tips and Best Practices for Adding Holidays in Microsoft Project

Efficiently managing holidays in Microsoft Project is a must for accurate project planning and scheduling. Here are some tips to make sure the holidays integrate nicely into your timeline:

  • Speak with your team and stakeholders to spot all holidays that could affect project progress.
  • Create a calendar just for holidays, and make sure it shows the non-working days correctly.
  • Set the right working time for each day – taking different shifts or adjusted hours during holidays into account.
  • Add the holiday calendar as a resource in your project. Link it to tasks and assign it as non-working time.
  • Update the holiday calendar regularly – adding new holidays or removing old ones.
  • Check the project schedule after adding holidays to make sure everything is aligned properly, and adjust dependencies if needed.

To get even more out of Microsoft Project’s holiday feature, remember this:

Holiday calendars can be shared between multiple projects, saving time and effort. Plus, custom calendars let you tailor holiday schedules to certain regions or teams.

True History:

In older Microsoft Project versions, adding holidays was a tedious task, requiring manual entry of each date. Now, Microsoft has improved holiday management by allowing users to create dedicated holiday calendars. This has improved project planning efficiency and accuracy significantly.


To finish up, adding holidays to Microsoft Project is essential for effective project management. Go to the “Project” tab and click on the “Change Working Time” option to access the calendar settings. Select the appropriate calendar (usually called “Standard”) and click on the “Details” button. Here, select the desired date range and click “Add holiday”. You can also customize working hours. The feature adjusts the project schedule, preventing delays or conflicts in the timeline.

At first, managing holidays was hard in Microsoft Project. But, with user feedback and technology advances, Microsoft added an intuitive interface to simplify the process. Follow these steps to enhance project planning and ensure accurate scheduling in alignment with real-world constraints.

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