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 Office 365 Sync Errors Fix the server.

• If users are facing syncing issues in Outlook due to corrupt Outlook data files, they must choose a professional tool, like Shoviv OST to PST Converter Tool.
• 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.
• Ive repaired the OST and changed cache mode to only cache 1 year.
• We have shared five manual methods in this blog to resolve the Outlook syncing errors.
• However, with one particular client no matter what changes are made these sync issue still occur.
• This blog talks about the causes behind Outlook synchronization errors and a few solutions to fix Outlook sync issues.
• However, I cannot find any reason why his account would do this only on our domain nothing is blocking our connection to Office 365.

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!

However I do not use Outlook on it as much as I do on my desktop. 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.

Disable Add-ins

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. The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems.

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 Microsoft Outlook Email Repair Tool Online 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.

How to Resolve Sync Issues and Local Failures in Outlook?

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 Microsoft Outlook Email Repair Tool Online particular client no matter what changes are made these sync issue still occur.