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Activate Office 365
![](https://helpdesk.troy.edu/TDPortal/Images/Viewer?fileName=1dbe05ee-a3e1-41e5-acb6-c294fdb9a4cb.png)
When you start an Office app that's not activated, you'll be prompted to sign into Office.
To activate the Office app, sign into your Troy University M365 account
Troubleshooting Office for Business Installations
Microsoft Support and Recovery Assistant Tool