Calendar isn’t syncing? Here’s how to fix this problem on Windows 10.

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

Although when setting up the app, calendar events usually sync automatically, sometimes, you’ll come across problems that will prevent events from showing up with the Windows 10 app. If you notice that calendars aren’t syncing, there are a few troubleshooting steps you can follow to resolve the issue.

In this Windows 10 guide, we’ll walk you through a series of steps to quickly fix syncing issues with the Calendar app on your device.

How to enable sync on Calendar

To enable sync for Calendar on Windows 10, 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.

    Manage Accounts option

    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.

    Calendar sync option

    Source: Windows Central
    Quick tip: If the option was already enabled, turn it off and then turn it on again to see if it fixes the problem.

  7. Click the Done button.

Once you complete the steps, events should now start showing up in the Calendar app.

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.

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To remove and set up an email account again, 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.

    Manage Accounts option

    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 you just removed.

    Select account to add to Calendar

    Source: Windows Central

  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

If you’re experiencing syncing issues with Calendar and other features, perhaps resetting the app can resolve the problem.

To reset Calendar (along with Mail) 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 Advanced options link.

    Mail and Calendar Advanced Options

    Source: Windows Central

  6. Under the “Reset” section, click the Reset button.

Once you complete the steps, the Mail and Calendar experiences will reset deleting the apps related data stored locally on the device, and you’ll need to set up your accounts again.

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:

  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.

    Uninstall the Calendar app on Windows 10

    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 can’t 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’ll need to set up your accounts again, and the calendars should start syncing automatically again.

More Windows 10 resources

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

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