
It also provides the option to export the Outlook OST file into Office 365 and Live Exchange
solve office 365 mailbox sync delays 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
rebuild Outlook data file quickly is not from a trusted certifying authority."
Check the connectivity to your email server
- I’ve unchecked download shared folders when setting up a new Outlook profile.
- 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.
- 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.
- This solution will be beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files.
However, his OST file is not anywhere near that size it’s about 5GB. I was wondering if anyone had some insight into an issue I am having with a client. Additionally, you might want to make a new profile and make it the default to see if it fixes the problem. Create your account
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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. I’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.