Content

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 reset cached Exchange mode beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files.

Turn off Windows Defender Security Center
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. Outlook Login Issues Troubleshooting I’ve unchecked download shared folders when setting up a new 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. Select the button below to launch a diagnostic in the Microsoft 365 admin center.
Check if two-factor authentication is turned on for your account

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. 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 is not from a trusted certifying authority." Check with your email provider for instructions about how to create an app password for your email account.
Check Antivirus and Firewall Settings
- I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).
- I’m at wits end and Microsoft stopped helping me because they feel the problem is on our end.
- It verifies your identity using your password and a contact method (also known as security info).
- Once the client started using Outlook again after some time has passed the issue had come back.
- Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
- To fix the issue, please try each of the following solutions in order.
- If you still can't sync your email after removing your account and adding it again, you might need to add the account using advanced setup.
You'll have the option to do that on your "My Questions" page by clicking the heart icon labeled My Favorite. Please reply with your results when you have completed the steps above. Additionally, you might want to make a new profile and make it the default to see if it fixes the problem. 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 connection status shows disconnected a client. The service typically takes less than 30 minutes to provision a user or to sync changes for a user.
Free Methods to Remove Duplicate Items in Outlook 2016
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’ve been in contact with Microsoft they had me migrate his account\data to another server this did not fix it. I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).