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So, follow the below modern authentication troubleshooting steps to reset Microsoft Outlook settings. After the files get repaired, restart the Outlook program to ensure that the Outlook syncing issues are resolved or not. Outlook sync issues can be because of corrupted Outlook OST or PST files. Therefore, now we will know the steps to repair the Outlook data file.

Method 4: Recreating the Outlook Profile

However once I joined this computer back to the domain and let it sit for a few days it was also working fine. Once the client started using Outlook again after some time has passed the issue had come back. I’ve tried to set cache mode from 1 year all the way down to a few days. 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 Outlook stuck updating folders solution is not from a trusted certifying authority.”

Check the connectivity to your email server

There are various methods to resolve the Outlook sync issues, including manual and third-party solutions.I’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems.Before you begin, make sure that your device has the latest operating system and app updates.Below are the steps I’ve taken to try to resolve this issue.Firewalls and antivirus software might prevent you from syncing your email and calendar events.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.“This solution will be beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files.

You’ll also receive a mail (to the alternate email and to your admin email) from Microsoft Outlook Not Sending or Receiving Email 365 that indicates your tenant has encountered directory synchronization errors. For details see Identify directory synchronization errors in Microsoft 365. I still have it turned on on my laptop and it has not shown any issues yet.

Methods to fix Microsoft Outlook syncing error

If the size of your .ost file is close to the limit, you could try increasing the limit on your client, restart Outlook and see if there is any difference. 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 client has a computer off the domain at home that his work email is tied to and he has never had any of these issues in Cache mode with that device. I’ve unchecked download shared folders when setting up a new Outlook profile. Check with your email provider for instructions about how to create an app password for your email account. The Mail and Calendar apps for Windows 10 don’t support two-factor authentication.

Microsoft Outlook Sync issues

This blog talks about the causes behind Outlook synchronization errors and a few solutions to fix Outlook sync issues. We have shared five manual methods in this blog to resolve the Outlook syncing errors. Apart from this, we also discuss the Shoviv OST to PST Converter Tool, a professional way to repair, recover, and convert Outlook data files. This solution will be beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files. Users can also try its free demo version in their system and process the first 50 items from each folder freely.