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If you see any error message similar to the following, the synchronization is not working properly. Remember, the repair process may take some time, especially for accounts with large amounts of data. Check with your email provider for instructions about how to create an app password for your email account. If you’re using an Outlook.com, Microsoft 365, or Exchange account, you won’t have advanced mailbox settings unless the account was set up using advanced setup. We’re sorry you’re having problems with the Mail and Calendar apps for Windows 10. To fix the issue, please try each of the following solutions in order.
Google Calendar may be working correctly, you’ve just not selected the calendar. If this doesn’t work, the only way to make it work is to use a third-party calendar automation tool like OneCal. Reconnecting imported calendars (Outlook, iCloud, or Google Calendars) using the Google Calendar app on your iPhone or iPad is not possible.
Automatically sync Outlook Calendars
Try the general troubleshooting solutions in Troubleshooting Mail and Calendar apps for Windows 10. Once you have a stable and consistent network connection, you can go ahead and follow the other advanced troubleshooting solutions. For both systems, after making changes, restart Outlook to ensure the new settings take effect.
If your password isn’t the problem, you might have a certificate error.Once you have a stable and consistent network connection, you can go ahead and follow the other advanced troubleshooting solutions.If the shared calendar is syncing, then find and remove the faulty add-in to fix the issue permanently.Windows Defender Security Center is free security software that’s included with Windows 10.In this section, we’ll explore how the Virto Calendar App for Microsoft 365 and Microsoft Teams can take your calendar management to the next level.If problems persist, consider reaching out to Microsoft Support or your organization’s IT department for more advanced troubleshooting.By leveraging these features, teams can significantly reduce the occurrence of sync issues and improve overall calendar management efficiency.Remember, these processes will require you to set up your accounts again and may result in the loss of some settings.
Fix Outlook Calendar not syncing issues using OneCal
Why has my calendar stopped syncing? <br><br>
By repairing or reinstalling MS Office, you can fix any issue with the Outlook Microsoft Office troubleshooting tips program files that might be damaged, leading to the synchronization issues in the Outlook program. For teams looking to enhance their calendar management further, the Virto Calendar App for Microsoft 365 & Microsoft Teams offers a powerful alternative. Remember, forcing a sync or clearing cache can take some time, especially for large mailboxes.
How to Check if Shared Calendar is not Syncing with Outlook?
Always ensure you have a backup of your data before making significant changes to your email configuration. Remember to restart your device after installing updates to ensure all changes take effect. If there’s a feature you think is missing from the Mail and Calendar apps, or if a feature in isn’t working properly, you can provide feedback directly to the Mail and Calendar team. If your password isn’t the problem, you might have a certificate error.
Which email app are you using?
A problematic OST file can also cause shared calendar synchronization problems. This happens because an inconsistent OST file fails to save the calendar data properly. On restarting, Outlook should download and synchronize all mail items, and you should see the updated shared calendar.
NEWS & EVENTS
To permanently fix this issue, a third-party calendar sync tool is needed. Where I work we have an issue with the synchronization of Outlook’s shared calendars. Accumulated cache and temporary files can interfere with the Outlook synchronization process and lead to sync errors and issues. These advanced troubleshooting steps can often resolve persistent issues that simpler methods can’t fix. However, they should be approached with caution, especially in managed business environments.
How to Fix an Outlook Calendar That’s Not Syncing – Updated for 2025
After removing the Google Calendar from Outlook, you should manually add the Google Calendar again. We wrote an article explaining in detail how to manually sync Google Calendar with Outlook, so please read that for the rest of the steps. Users with “Can Edit” permissions aren’t able to see changes until they remove and re-add the calendar. After confirming synchronization is not working, follow the solutions discussed below to troubleshoot the issue.
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