1 Fixing problems with directory synchronization for Microsoft 365 Microsoft 365 Enterprise Microsoft Learn
Debra Greaves edited this page 2025-11-29 02:48:40 +00:00
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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 resolve Outlook not sending emails fast programs or websites to be sure Outlook is the only problem.

Method 4: Recreating the Outlook Profile

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 connection status shows disconnected that don't support two-factor authentication. 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. Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or not.

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.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.Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors.

After performing these steps, Outlooks all folders will be synced to the server. If this method doesnt work for you, navigate to other solutions. There can be several reasons for the Outlook synchronization error. Before clear Outlook credentials manager we know the solutions, we will understand a few common causes of the Outlook sync problem.

Methods to fix Microsoft Outlook syncing error

To solve your Outlook issues, download the application from the Microsoft website and follow the directions. If I check the sync log I see a lot of sync errors for Inbox, sent items and a few other folders. The most common cause of an out-of-date account is an incorrect password. In the notification bar at the top of the app, select Fix account. If your password is incorrect, you'll see a message asking you to update your password.

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. Ive been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.