Frequently Asked Question
How to fix Windows 10 Calendar app syncing issues
Last Updated 5 years ago
How to enable sync on Calendar
To enable sync for Calendar on Windows 10, use these steps:- Open Calendar.
- Click on the Settings (gear) button in the bottom-left corner.
- Click on Manage Accounts in the top-right corner.
- Select the account with the sync problem.
- Click the Change mailbox sync settings option.
- Under the "Sync options" section, turn on the Calendar toggle switch.
Quick tip: If the option was already enabled, turn it off and then turn it on again to see if it fixes the problem. - Click the Done button.
How to fix sync issues resetting account on Calendar
If you have multiple accounts, and you only see sync problems with one of the accounts, then you can try to remove and set up the account in question again, instead of the entire app.To remove and set up an email account again, use these steps:
- Open Calendar.
- Click on the Settings (gear) button in the bottom-left corner.
- Click on Manage Accounts in the top-right corner.
- Select the account with the sync problem.
- Click the Delete account from this device option.
- Click the Delete button.
- Click the Done button.
- Click on the Settings (gear) button in the bottom-left corner.
- Click the Add account button.
- Select the account you just removed.
- Click the Done button.

Reinstall Mail and Calendar
Alternatively, if the problem is still happening, you can also reinstall the app from the Microsoft Store.To uninstall and install the Mail and Calendar apps again, use these steps:
- Open Settings.
- Click on Apps.
- Click on Apps & features.
- Under the "Apps & features" section, select the Mail and Calendar app.
- Click the Uninstall button.
- Click the Uninstall button again to confirm.
- Open Microsoft Store.
- Search for Mail and Calendar and click the top result.
Quick tip: If you can't find the app, you can use this Microsoft Store direct link to download the app on Windows 10. - Click the Install button.