What to Do If Shared Calendars Aren’t Syncing in Outlook

Shared calendars sometimes fail to sync properly in Outlook. This guide helps you troubleshoot and fix the issue. 

Steps to Fix Calendar Sync Issues 

     1. Remove and Re-Add the Calendar 

a. Right-click the shared calendar and choose Remove. 

b. Re-add it via File > Account Settings > Add Calendar. 

     2. Check Permissions 

a. Log into Outlook Web Access (OWA). 

b. Ensure the calendar owner has granted you the correct permissions. 

     3. Clear Outlook Cache 

a. Close Outlook. 

b. Navigate to %localappdata%\Microsoft\Outlook and delete .ost files. 

c. Reopen Outlook to regenerate the cache. 

     4. Update Outlook 

a. Make sure you’re using the latest version of Outlook.