To get the sync working you will either need to delete users or have the user limit on your account increased. If you don't wish an inactive user to be made active by the M365 sync, you can add the user's email address to the sync forbid list. You can do this in the Microsoft 365 Sync Wizard on the configuration page of your platform settings. After performing these steps, Outlook’s all folders will be synced to the server.

New computer transfered office 365. having sync issues, how can I find it, unsure, had files transferred from old

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. 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. After these instructions, ensure the sync settings are correct and check everything is working well.

Common Causes of Sync Issues in Outlook

Now, we will verify the server settings to fix the Outlook synchronization error. Outlook sync issues can be because of corrupted Outlook OST or PST files. Therefore, now we will know the steps to repair the Outlook data file. To resolve these issues you should run the steps in this article and check whether the groups in your sync's filtering preference contain users in Azure AD. The Sync Summary email can give further information about this.

What should I do if my User Limit has been exceeded?

We're in the process of migrating from On-Premise Exchange to O365. I have a couple of Users and a Shared Mailbox that were migrated and both Users are experiencing issues with the Shared Mailbox updating on a regular basis. Additionally, you might want to make a new profile and make it the default to see if it fixes the problem. These are the only two I've seen have this issue and I was wondering if you've seen this rebuild Outlook data file quickly and figured out a 'fix'?

• If this method doesn’t work for you, navigate to other solutions.
• This means that the authentication setup for your sync is no longer valid.
• If it does, you might need to include Outlook exceptions in the settings of your security program.
• Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
• Another which is shown below, is a user opens a new message, or replies to one, and lets it sit for a while.
• The Sync Summary email can give further information about this.
• The simplest way to resolve authentication issues is to rerun the authentication process by clicking the Sign in with Microsoft on the Microsoft 365 settings page.

Check Antivirus and Firewall Settings

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. Both of our authentication methods can fail if the Enterprise Applications entry for the sync in Azure AD is deleted or if it has had its permissions modified. Find out what to do if you are having issues with syncing users or groups from Microsoft 365. Once you have completed the steps to fix Outlook sync errors, kindly check if FixTechGuide login issue guide the error has been fixed or not. The error message in the Summary sheet of the Sync Summary spreadsheet attachment can also highlight the reason for this.





You run the Microsoft consent process using an eligible M365 account after which you will be taken to the sync's setup wizard. You can close the wizard at this point as you do not need to complete it for re-authentication to take effect. You should run a test sync after re-authenticating the sync to ensure it is working. 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 Outlook OST vs PST repair 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.