The Mail and Calendar apps for Windows 10 don't support two-factor authentication. If two-factor authentication is turned on for your account, you'll need to create an app password for that account. An app password is used instead of your normal account password for apps that don't support two-factor authentication. If you're using an Exchange account that requires advanced settings, you'll need to remove the account and add it again using advanced settings. To add the account using advanced settings, see Add an account using advanced setup. 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.



The tool does not interact with your mailbox on the Exchange Server. When your Outlook calendar isn’t syncing properly, it can throw your entire schedule into disarray. This section will guide you through a series of troubleshooting steps to get your calendar back on track, whether you’re using Outlook on your desktop or mobile device. Firewalls and antivirus software might prevent you from syncing your email and calendar events.

Does anyone having sync issues in outloook mobile app

Remember, creating a service ticket usually requires admin privileges. If you’re not an admin, you’ll need to contact your IT department to create a ticket on your behalf. Remember, forcing a sync or clearing cache can take some time, especially for large mailboxes.

• By following these steps, you should be able to resolve most Outlook calendar sync issues, whether on desktop or mobile devices.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• To add the account using advanced settings, see Add an account using advanced setup.
• The Inbox Repair tool can be used on both .ost files and on Personal Folders (.pst) files.
• If you’re using a shared calendar, ask the owner to re-share it with you, as sometimes permissions can become corrupted.
• This professional OST to PST converter tool can extract data from the backup OST file and convert it into PST file, which you can easily import into Outlook.
• To check if the security application is causing the issue, you can temporarily disable the antivirus program or Firewall and then update the folders.

Allow Mail and Calendar apps through Windows Firewall

Check your send/receive settings to make sure Outlook is set to update frequently enough. Verify that you’re not in offline mode and that your internet connection is stable. If you’re using a shared calendar, ask the owner to re-share it with you, as sometimes permissions can become corrupted. Try removing and re-adding the problematic calendar to reset the connection. If none of these steps work, consider clearing your Outlook cache or running the calendar repair tool to fix any underlying data issues. Often, the root cause lies in incorrect sharing permissions, where users might not have the appropriate access levels to view or edit calendar entries.

Remove your account and add it again

You can easily search for the missing items, select them, and save them in PST and other file formats, such as MSG, EML, RTF, HTML and PDF. This tool is designed to extract mailbox items from orphaned or inaccessible OST files. The Virto Calendar App for Microsoft 365 & Microsoft Teams is a powerful calendar management solution designed to enhance team collaboration and streamline scheduling processes. This app bridges the gap between various Microsoft 365 apps, providing a seamless calendar syncing experience that significantly improves team planning and coordination.

How to Use Scheduling Assistant in Outlook for Easy Meeting Planning

If you still can't sync your email after removing your account and adding it again, you might need to add the account using advanced setup. Calendar syncing plays a pivotal role in maintaining an organized and efficient schedule. Whether you’re managing personal appointments or coordinating team meetings, a synchronized calendar ensures that everyone is on the same page, literally and figuratively. Before you begin, make sure that your device has the latest operating system and app updates. Try the general troubleshooting solutions in Troubleshooting Mail and Calendar apps for Windows 10. When synchronization issues occur in Microsoft Outlook or in Microsoft Outlook Web App (formerly Outlook Web Access), you may experience the following symptoms.



Outlook calendar syncing problems, while frustrating, are usually fixable. Common culprits include incorrect permissions, network or server issues, outdated software, cached data conflicts, and account misconfigurations. Also, be mindful of potential conflicts when multiple users edit shared calendars. The solutions outlined in this article, from simple checks to more advanced fixes, address most of these issues. If your Outlook calendar is not updating with meetings, it could be due to several reasons. First, ensure you have the necessary permissions to view and edit the calendar in question.



The tool records any differences in a scan log so that you can see what differences the tool found and resolved. The scan log also identifies any situations that the tool could not resolve and that you must fix manually. During the scanning process, security applications, like antivirus software or Windows Firewall might lock Outlook loading profile fix the Outlook data file, leading to the sync issues.