Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors. The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems. It is capable of automatically mailbox not updating on IMAP identifying problems with account setups, sync, and other typical mistakes. To solve your Outlook issues, download the application from the Microsoft website and follow the directions. Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software.

Turn off Windows Defender Security Center

If there's a feature you think is missing from the Mail and Office 365 Sync Errors Fix Calendar apps, or if a feature in isn't working properly, you can provide feedback directly to the Mail and Calendar team. 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). If you would like to ask me another question in the future or follow up on your current question, you can add me as a favorite Expert.

Check if two-factor authentication is turned on for your account

It is possible for a corrupted Outlook profile to impede synchronization. Test other programs or websites to be sure Outlook is the only problem. If the connection is poor, consider restarting your modem/router or moving to a more reliable network. If your password isn't the problem, you might have a certificate error. If so, you'll see a message that says, "There is a problem with the server's security certificate. The security certificate is not from a trusted certifying authority." Check with your email provider for instructions about how to create an app password for your email account.

Check Antivirus and Firewall Settings

• EdbMails OST to PST Converter can help in these cases by recovering data from the inaccessible OST files and restoring them without data loss.
• It is possible for a corrupted Outlook profile to impede synchronization.
• I’m at wits end and Microsoft stopped helping me because they feel the problem is on our end.
• It verifies your identity using your password and a contact method (also known as security info).
• Once the client started using Outlook again after some time has passed the issue had come back.
• Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
• 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.

After you’re satisfied, turn off your firewall or antivirus program disable faulty add-ins in Outlook for a while. If it does, you might need to include Outlook exceptions in the settings of your security program. Now, we will verify the server settings to fix the Outlook synchronization error. After the files get repaired, restart the Outlook program to ensure that the Outlook syncing issues are resolved or not. I still have it turned on on my laptop and it has not shown any issues yet. However I do not use Outlook on it as much as I do on my desktop.

Free Methods to Remove Duplicate Items in Outlook 2016

Here is the strange part I tried to remove the computer from the domain and have Outlook run from a local account for a few days. I’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it. I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).