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Home / How to Reinstall Mail and Calendar App in Windows 10

How to Reinstall Mail and Calendar App in Windows 10

On Windows 10, the Calendar app lets you connect third-party calendar services, such as Outlook.com, Microsoft 365, Google, Yahoo, and Apple iCloud, to manage and stay on top of your events using a single experience.

Although after configuring the app, calendar events typically begin to sync automatically sometimes, and problems preventing events from showing up with the Windows 10 app will occur. However, if the calendars aren't syncing on your computer, there are a few troubleshooting steps you can use to resolve the issue.

In this Windows 10 guide, we will walk you through a series of steps to fix syncing issues with the Calendar app.

  • How to enable sync for Calendar on Windows 10
  • How to fix sync issues resetting Calendar account on Windows 10
  • How to fix sync issues resetting Calendar app on Windows 10

How to enable sync for Calendar on Windows 10

To enable sync for the Windows 10 Calendar app, use these steps:

  1. Open Calendar.
  2. Click on the Settings (gear) button in the bottom-left corner.

  3. Click on Manage accounts in the top-right corner.

    Calendar manage accounts Source: Windows Central

  4. Select the account with the sync problem.

  5. Click the Change mailbox sync settings option.

    Change mailbox sync settings Source: Windows Central

  6. Under the "Sync options" section, turn on the Calendar toggle switch.

    Windows 10 Calendar fix sync issue Source: Windows Central

    Quick tip: If the option was already enabled, turn it off and close the app. Then re-open the app, and turn on the sync feature again to see if it fixes the problem.

  7. Click the Done button.

Once you complete the steps, the Calendar events should now start showing up on Windows 10.

How to fix sync issues resetting Calendar account on Windows 10

When you manage Calendar events on multiple accounts, and the problem is in one of the accounts, you could reconfigure the account instead of the entire app.

To reconfigure your account in the Calendar app, use these steps:

  1. Open Calendar.
  2. Click on the Settings (gear) button in the bottom-left corner.

  3. Click on Manage Accounts in the top-right corner.

    Calendar manage accounts Source: Windows Central

  4. Select the account with the sync problem.

  5. Click the Delete account from this device option.

    Calendar remote email account Source: Windows Central

  6. Click the Delete button.
  7. Click the Done button.
  8. Click on the Settings (gear) button in the bottom-left corner.

  9. Click the Add account button.

    Calendar app add account option Source: Windows Central

  10. Select the account causing the sync problem.
  11. Click the Done button.

After you complete the steps, the Calendar app should start syncing events, emails, and contacts.

How to fix sync issues resetting Calendar app on Windows 10

If you suspect the syncing problem is happening because of the app, resetting the Calendar app may fix the issue.

To reset the Calendar app to fix sync problems on Windows 10, use these steps:

  1. Open Settings.
  2. Click on Apps.
  3. Click on Apps & features.
  4. Under the "Apps & features" section, select the Mail and Calendar app.

  5. Click on Advanced options.

    Calendar advanced options Source: Windows Central

  6. Under the "Reset" section, click the Reset button.

Once you complete the steps, the Mail and Calendar apps will reset, deleting the data stored locally on the computer. After the reset, you will have to reconfigure it again.

Reinstall Mail and Calendar

Alternatively, if the issue persists, reinstalling the app from the Microsoft Store can resolve the problem.

To reinstall the Mail and Calendar apps on Windows 10, use these steps:

  1. Open Settings.
  2. Click on Apps.
  3. Click on Apps & features.
  4. Under the "Apps & features" section, select the Mail and Calendar app.

  5. Click the Uninstall button.

    Calendar app uninstall option Source: Windows Central

  6. Click the Uninstall button again to confirm.
  7. Open Microsoft Store.

  8. Search for Mail and Calendar and click the top result.

    Quick tip: If you cannot find the app, you can use this Microsoft Store direct link to download the app on Windows 10.

  9. Click the Install button.

    "Install Mail and Calendar app on Windows 10 Source: Windows Central

After you complete the steps, you will have to set up the accounts again, and the calendars should start syncing automatically.

More Windows resources

For more helpful articles, coverage, and answers to common questions about Windows 10 and Windows 11, visit the following resources:

  • Windows 10 on Windows Central — All you need to know
  • Windows 10 help, tips, and tricks
  • Windows 11 on Windows Central — All you need to know

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How to Reinstall Mail and Calendar App in Windows 10

Source: https://www.windowscentral.com/how-fix-syncing-issues-calendar-app-windows-10