1 Outlook sync errors with Office 365 Software & Applications
Ute Kitamura edited this page 2025-12-03 18:47:58 +08:00
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So, follow the below diagnose Office activation conflicts 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

If you still can't sync your email after removing your account and adding it again, you might need connection status shows disconnected 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

We have resources to help you identify potential issues and fix them.There are various methods to resolve the Outlook sync issues, including manual and third-party solutions.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 Ive 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.

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 work offline mode stuck we know the solutions, we will understand a few common causes of the Outlook sync problem.

Methods to fix Microsoft Outlook syncing error

I ran the PSTscan tool to check for anomalies on the OST file (which it found and repaired but the issue still occurs). However, with one particular client no matter what changes are made these sync issue still occur. We're sorry you're having problems with the Mail and Calendar apps for Windows 10. To fix the issue, please try each of the following solutions in order.

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.