Microsoft Outlook Goes Down Nationwide [UPDATE]

Microsoft is suffering a major Microsoft 365 outage that's disrupting Outlook, Teams, Copilot and SharePoint for users across the Americas, with more than 129,000 problem reports logged on Downdetector shortly after the disruption began. Microsoft blames the connectivity problems on an unexpectedly large number of unavailable servers that overloaded the remaining infrastructure. The company says it's redistributing traffic and restarting affected systems. From a report: Microsoft was not providing an estimated time by which it expects service to return. Both individual Outlook users and those on enterprise accounts experienced problems logging in to the service. The outage also affected other Microsoft services, including Microsoft Teams, the Copilot 365 AI service and SharePoint Online. "Users may be unable to connect to multiple Microsoft 365 services," the company said on its Service Health Status page. UPDATE 11/12/26, 19:50 UTC: From Microsoft 365 Status: "We're testing a configuration change to address a problem that's causing servers to fail automated health checks and become unavailable. In parallel, we've initiated a restart of all affected servers and are monitoring healt