Microsoft has shared a workaround for a known issue affecting Microsoft 365 customers and causing classic Outlook to crash after opening or when starting up in Safe mode. Impacted users can confirm if ...

In all likelihood, it could be some installed Add-in in Outlook that is causing the problem. You can check this by launching Outlook in Safe Mode. When you launch Office on the Safe Mode, it will run ...

The network connection is one of the possible reasons for problems when adding an account to Outlook. In this case, disconnecting and reconnecting the internet connection can help to fix this issue.