Microsoft is investigating a known issue that causes the new Outlook email client to crash when users click the "Go to classic Outlook" button, which should help them switch back to the classic ...

Microsoft is investigating several issues causing email synchronization and connection problems when using the classic ...

Microsoft 365 officials were "facing a delay" in their effort to restore service to thousands of users and had not released a time when the service might be back up and running, as of 2 p.m. Monday.