How to Add Non Working Days in Microsoft Project

Quick summary

Adding non-working days in Microsoft Project ensures your project schedule automatically excludes holidays and exceptions from task duration calculations. Using the Change Working Time dialog, you can define specific dates as nonworking to keep timelines accurate.

Steps

1. Open your Project file and navigate to the Project tab.
2. Select Change Working Time from the Project tab menu.
3. In the dialog box, click the Exceptions tab.
4. Enter a name for the exception and select the start and finish dates of your non-working day.
5. Click Details to configure the non-working day settings.
6. Set the exception type to Nonworking.
7. Click OK to save all changes to your project calendar.