https://blog.netmanageit.com/microsoft-asks-iphone-users-to-reauthenticate-after-outlook-outage/
Microsoft asks iPhone users to reauthenticate after Outlook outage
Apr 28, 2026 - After addressing a widespread outage that affected Outlook.com users worldwide on Monday, Microsoft has asked iPhone users to re-enter their credentials to...
microsoftasksiphoneusersreauthenticate