Apps
Microsoft Office Activation Error on Windows
Resolve common Office activation failures by checking account, license sync, and service status.
If Office asks for activation repeatedly:
- Confirm you are signed in with the licensed Microsoft account.
- Check internet connection and date/time sync.
- Open any Office app > Account > Sign out/sign in.
- Run Office Quick Repair from Apps settings.
- If needed, run Online Repair.
For business licenses, verify subscription status in Microsoft 365 admin portal.