
Outlook Version Mismatch Checklist: Fix Sync & Profile Errors
When Outlook shows errors like “Cannot start Microsoft Outlook” or sync failures after an Office ...

When Outlook shows errors like “Cannot start Microsoft Outlook” or sync failures after an Office ...

If you see 'Token expired' or 'The security token included in the request is expired' when runnin...

After a Teams update, you might see a 'Service Unavailable' error when trying to sign in or use t...

You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...

You click the extensions icon, but the list is empty, or extensions appear greyed out. This usual...

If you open Microsoft Store and it just shows a spinning circle or a blank white screen that neve...