1 Fixing problems with directory synchronization for Microsoft 365 Microsoft 365 Enterprise Microsoft Learn
Kandace Flannery edited this page 2025-12-07 00:14:03 +00:00
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It also provides the option to export the Outlook OST file into Office 365 and Live Exchange Troubleshoot Office 365 Sync and Login Issues 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

If you still can't sync your email after removing your account and adding it again, you might need FixTechGuide Office 365 troubleshooting to add the account using advanced setup. For more information, see Add an account using advanced setup. Now, we will verify the server settings to fix the Outlook synchronization error. Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.

Check the connectivity to your email server

If you're using an Exchange account that requires advanced settings, you'll need to remove the account and add it again using advanced settings.Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.Ive tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).If two-factor authentication is turned on for your account, you'll need to create an app password for that account.To update from Azure AD Sync to Microsoft Entra Connect, see the upgrade instructions.It verifies your identity using your password and a contact method (also known as security info).If you are still facing this issue, kindly follow the solutions below to fix the sync issues in Outlook.

However, his OST file is not anywhere near that size its 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 Flush DNS And Re-Sync Outlook and connect with a world of communities.

Methods to fix Microsoft Outlook syncing error

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. If you're using an Outlook.com, Microsoft 365, or Exchange account, you won't have advanced mailbox settings unless the account was set up using advanced setup. 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. Ive unchecked download shared folders when setting up a new Outlook profile. Check with your email provider for instructions about how to create an app password for your email account. The Mail and Calendar apps for Windows 10 don't support two-factor authentication.

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. Ive been in contact with Microsoft they had me migrate his account\data to another server this did not fix it.