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It also provides the option to export the Outlook OST file into Office 365 and Live Exchange Fix Outlook and Office 365 Errors 2025 mailboxes. This software also has a splitter option to split large-sized PST files into smaller ones, helping users prevent oversized PST file issues. With directory synchronization, you can continue to manage users and groups on-premises and synchronize additions, deletions, and changes to the cloud. But setup is a little complicated and it can sometimes be difficult to identify the source of problems. We have resources to help you identify potential issues and fix them. Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors.
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 disable faulty add-ins in Outlook is not from a trusted certifying authority."
Check the connectivity to your email server
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.When the user is signed into their mobile app, webmail, or the Windows Mail app, they are able to receive email perfectly fine with those.Once the client started using Outlook again after some time has passed the issue had come back.If it does, you might need to include Outlook exceptions in the settings of your security program.When they go back to the message and press send they get an error that the message has been deleted.After these instructions, ensure the sync settings are correct and check everything is working well.The other solution to fix Outlook sync issues is recreating Microsoft Outlook profile.
After performing these steps, Outlook’s all folders will be synced to the server. If this method doesn’t work for you, navigate to other solutions. There can be several reasons for the Outlook synchronization error. Before Troubleshoot Office 365 Sync and Login Issues we know the solutions, we will understand a few common causes of the Outlook sync problem.
Methods to fix Microsoft Outlook syncing error
In some cases setting up a new computer replacement was the only option to fix these odd Outlook Sync issues. Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software. After you’re satisfied, turn off your firewall or antivirus program for a while. If it does, you might need to include Outlook exceptions in the settings of your security program. Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc.
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. I’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.