Fix Deleted Microsoft 365 Calendars Appearing in Google Calendar Android
Question details
The user needs to remove deleted Microsoft 365 calendars that are still showing up in the Google Calendar app on their Android device.
- Product
- Microsoft 365 / Google Calendar
- Device & OS
- Android
- Scenario
- Managing synced Exchange calendars on a mobile device.
- Observed behavior
- Calendars removed from a Microsoft 365 account are no longer visible in Outlook or Google Calendar on the web, but they persistently appear in the Google Calendar Android app.
Verify that the calendars have been permanently deleted by logging into your Microsoft 365 account via Outlook on the web before troubleshooting mobile app sync issues.
Remove and Re-add the Exchange Account
Forcing a fresh synchronization by re-adding your account ensures Google Calendar retrieves the most up-to-date calendar list from the Microsoft 365 server.
Often, the connection between the Android device and the Exchange server fails to register deletions. Removing the account clears the connection state.
Navigate to the Settings app on your Android device and select 'Accounts' or 'Passwords & accounts'.
Locate and tap on your Microsoft 365 (Exchange) account, then select 'Remove account' and confirm the action.
In the same Settings menu, tap 'Add account', choose 'Exchange' or 'Corporate', and sign back in using your Microsoft 365 credentials.
Open the Google Calendar app, pull down to refresh, and check if the deleted calendars have been successfully removed.
Clear Google Calendar App Cache and Storage
Clearing the app's local storage forces it to rebuild its database, eliminating "ghost" calendars stuck in the cache.
Contact Google Support
If standard troubleshooting fails and the issue is isolated to the Android app, reaching out to Google is necessary to resolve the third-party syncing bug.
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Frequently Asked Questions
Why do deleted Microsoft 365 calendars only appear on my Android phone?
This happens when the Google Calendar app on Android caches your calendar lists locally but fails to process the deletion command from the Microsoft Exchange server, leaving a "ghost" calendar behind.
Will clearing Google Calendar storage delete my events?
No. Clearing the app's storage only removes local app data and preferences. Once you reopen the app, all events saved to your Google or Microsoft accounts will safely download again from the cloud.
Is it a security risk if deleted calendars still show up?
If the calendar is properly deleted on the Microsoft 365 server, no new data is at risk. However, if the Exchange server has not fully purged it, a third-party app could theoretically still hold cached contents, which is why it is important to confirm deletion via Outlook on the web.
What if re-adding my Exchange account doesn't fix the sync issue?
If removing the account and clearing the cache do not resolve the issue, the bug lies within the Google Calendar app's handling of Exchange data. You should contact Google Support through the app's Help & feedback section.
