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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 Repair Outlook Profile Online 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 recreate Outlook profile step by step 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.Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.It verifies your identity using your password and a contact method (also known as security info).If your password is incorrect, you'll see a message asking you to update your password.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.
When the user is signed into their mobile app, webmail, or the rebuild Outlook data file quickly 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
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 The most common cause of an out-of-date account is an incorrect password.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
I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall). Below are the steps I’ve taken to try to resolve this issue. Two-factor authentication helps protect your account by making it more difficult for someone else to sign in. It verifies your identity using your password and a contact method (also known as security info). Outlook will show as connected to Exchange but is not receiving any new email. This can happen for days at a time, and then disappear for a day or 2, only to appear again.