You can access the sync portal again and restart the sync once Outlook has restarted. What this does is that it keeps the IMAP sync idle for a certain length of time to prevent buffering.
Follow the steps below to see how you can stop sync errors in Outlook on Mac Step by step process – How to stop sync errors in Outlook on Mac However, we will address this situation by using a manual approach. The OLM Repair Tool may also be used to resolve Outlook for Mac problems in an automated manner. These faults may be manually eliminated by using some simple approaches that aid in the rapid resurrection of data and the resolution of the Outlook for Mac synchronization problem.
The user receives error messages if Outlook for Mac is not synced with the server. The cause of the problem is determined by the application’s utilities, settings, and network. Error warnings in Outlook for Mac are a common complaint among Mac users.