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Digital circuit board glows red with a warning triangle. Critical error alert flashes showing tech system failure or data outage. Cyber security threat detected on network hardware.

Microsoft 365 Service Outage: What Happened and What to Know

On Thursday, January 22, 2026, Microsoft reported a widespread service disruption impacting Microsoft 365 services, including Outlook, Teams, Exchange, and the Microsoft 365 Administration Center. Throughout the afternoon, thousands of…

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