Fixing Problems With Directory Synchronization For Microsoft 365 Microsoft 365 Enterprise Microsoft Learn

If you can sync your email when the firewall is turned off, you'll need to allow the Mail and Calendar apps through the firewall. Windows Defender Security Center is free security software that's included with Windows 10. If you haven't installed alternative security software, you should temporarily turn off Windows Defender Security Center. Test other repair corrupted OST in Outlook programs or websites to be sure Outlook is the only problem.

Method 4: Recreating the Outlook Profile

If you still can't sync your email after removing your account and adding it again, you might need guide to Office 365 sign-in errors to add the account using advanced setup. For more information, see Add an account using advanced setup. Now, we will verify the server settings to fix the Outlook synchronization error. Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.

Check the connectivity to your email server

• 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.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).
• Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.
• If two-factor authentication is turned on for your account, you'll need to create an app password for that account.
• To update from Azure AD Sync to Microsoft Entra Connect, see the upgrade instructions.
• It verifies your identity using your password and a contact method (also known as security info).
• If you are still facing this issue, kindly follow the solutions below to fix the sync issues in Outlook.

When the user is signed into their mobile app, webmail, or the FixTechGuide fix for stuck folders Windows Mail app, they are able to receive email perfectly fine with those. The issue is occurring only in the Outlook program installed on Windows. To update from Azure AD Sync to Microsoft Entra Connect, see the upgrade instructions.

Methods to fix Microsoft Outlook syncing error

In some cases setting up a new computer replacement was the only option to fix these odd Outlook Sync issues. Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software. After you’re satisfied, turn off your firewall or antivirus program for a while. If it does, you might need to include Outlook exceptions in the settings of your security program. Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc.

Microsoft Outlook Sync issues

To make sure there are no issues, click Test Account Settings to test the connection. It is possible for a corrupted Outlook profile to impede synchronization. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If the problems do not occur in safe mode, its most likely an add-in causing grief. I’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.