If you see a message saying that the new Outlook is already running in Windows 11, this post will help you address the issue. Outlook is already running. Please close the other window to continue.

Microsoft has admitted that an issue in Windows 11 24H2 could stop Outlook from starting. It has also been confirmed that Microsoft 365 Enterprise users will switch to the new Outlook in April 2026.… ...

According to Microsoft, users who have updated to Windows 11 24H2 may run into issues when opening Outlook if they have Google Workspace Sync installed on their system. Google Workspace Sync for ...

If your classic Outlook couldn’t authenticate with the server and is continuously asking for a password, read this post. We will show you how to fix Outlook password authentication issues using the ...