Massive Microsoft 365 outage disrupts Outlook, Teams, and Copilot globally for over 18 hours
Microsoft experienced a widespread service outage affecting Microsoft 365 users worldwide, disrupting key applications such as Outlook, Teams, and Copilot for more than 18 hours. Microsoft clarified that the outage is unrelated to cyberattacks or AI faults and reported ongoing efforts to restore full service. The disruption impacted millions and disrupted work for health services, schools, and government entities, though no significant safety threats were reported. Microsoft has signaled 'encouraging' progress toward full recovery.
Why it matters
Microsoft 365 is critical for global communication and business operations; such extended outages demonstrate vulnerabilities in cloud service reliability and impact many essential sectors.
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