If it does, you might need to include Outlook exceptions in the settings of your security program. If I check the sync log I see a lot of sync errors for Inbox, sent items and a few other folders. Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or not. After performing these steps, Outlook’s all folders will be synced to credential loop in Microsoft 365 the server.

• After performing these steps, Outlook’s all folders will be synced to the server.
• Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.
• If the connection is poor, consider restarting your modem/router or moving to a more reliable network.
• This software allows users to process numerous OST files at once without any size limitations.
• Firstly, we will discuss a few manual methods to resolve this Outlook error and share the stepwise procedure of each method to successfully fix synchronization issues.
• If this method doesn’t work for you, navigate to other solutions.
• I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).

7 Customer support

Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc. It also provides the option to export the Outlook OST file into Office 365 and Live Exchange mailboxes. This software also has a splitter option to split large-sized PST files into smaller ones, helping users prevent oversized PST file issues. I still have it turned on on my laptop and it has not shown any issues yet.

Fix Sync Issues and Local Failures in Microsoft Outlook: Problem Resolved!

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. 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.

Disable Add-ins

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.

Check for Local Failures

If this method doesn’t work for you, navigate to other solutions. Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow. There can be several reasons for the Outlook synchronization error. Before we know the solutions, we will understand a few common causes of the Outlook FixTechGuide Office 365 troubleshooting sync problem. 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. I’ve unchecked download shared folders when setting up a new 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.



However, I cannot find any reason why his account would do this only on our domain nothing is blocking our connection to Office 365. 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 ran the PSTscan tool to check for anomalies on the OST file (which it found and repaired but the issue still occurs). Below are the steps I’ve taken to try to resolve this issue. However, with one Troubleshoot Office 365 Sync and Login Issues particular client no matter what changes are made these sync issue still occur.