Microsoft 365: When “Product Deactivated” Errors Crash the Office Party
Microsoft 365 Office apps have been hit by a “Product Deactivated” error, causing chaos among users. The error, which stems from licensing changes, can be fixed by reactivating or restarting the apps. If chaos persists, contact your admin to ensure your Microsoft 365 subscription hasn’t gone on an unexpected vacation.

Hot Take:
Microsoft’s licensing kerfuffle is like giving your Office a coffee break without warning – suddenly everyone’s productivity is on snooze, and nobody knows when the caffeine will kick back in!
Key Points:
- Microsoft 365 users face unexpected “Product Deactivated” errors due to licensing changes.
- The issue arises when moving users between licensing groups or altering subscriptions.
- Quick fixes include reactivating products or restarting Microsoft 365 apps.
- Admins should check subscription statuses if issues persist.
- Microsoft’s engineering team is working on a solution, with no timeline for a permanent fix yet.
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