Massive Microsoft 365 Outage Disrupts Outlook, Teams, Copilot, and Defender XDR Worldwide

A major Microsoft 365 outage disrupted cloud connectivity on November 12. It continued into November 13, 2026, as Microsoft worked to restore the affected infrastructure. The company confirmed that users in any region could experience connectivity problems, expanding an investigation initially focused on Exchange Online mailbox access in the Americas. Microsoft has not confirmed that […]

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