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#MSFT — Microsoft 365 Outage Disrupts Outlook, Teams and Copilot | ThinkSabio
Nov 13, 2026 · ThinkSabio Inc
Microsoft experienced a widespread disruption affecting several Microsoft 365 services, including Outlook, Teams, and Copilot. The outage reportedly extended beyond 16 hours, with services unavailable or unstable since approximately 1 p.m. ET on Thursday, November 12.
🔹 Key Highlights
Outage Duration: The disruption reportedly lasted more than 16 hours.
Affected Services: Outlook, Microsoft Teams, and Copilot experienced outages or instability.
Business Impact: The disruption affected access to widely used workplace communication and productivity tools.
Timing: The reported outage began around 1 p.m. ET on November 12.
Stock Context: Microsoft shares were reported down approximately 2.7% in the accompanying market update.
💡 Why It Matters
The incident highlights the operational risks associated with reliance on large cloud-based productivity platforms. Extended service disruptions can affect business continuity, customer confidence, and enterprise operations. Microsoft's response, service restoration, and any explanation of the underlying cause will be important to monitor.
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