Microsoft Shares Fall as Services Face Outages

Microsoft stock dropped about 3% in premarket trading as users worldwide reported disruptions to several company services.

Updated on Nov. 13, 2026 in Public Companies

Microsoft Shares Fall as Services Face Outages

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Microsoft shares fell 2.92% to $507.75 per share at 12:03 p.m. Moscow time and later declined 3.23% to $506.12 per share on Nasdaq. Downdetector recorded widespread user complaints about Microsoft services from users in 74 countries and territories.

Why it matters

The share decline coincided with outages affecting widely used tools, including Outlook, Microsoft 365, Copilot and Microsoft Teams, which disrupt work for businesses and individuals across the country. Microsoft Vice President Charles Lamanna said the disruptions were not caused by hackers or other external interference.

Downdetector logged 131,000 U.S. reports of Outlook problems, 46,000 for Microsoft 365, 5,800 for Copilot and 4,500 for Microsoft Teams. Microsoft shares traded between $506.12 and $507.75 in premarket trading, but the source does not say when or whether the service disruptions will be fully resolved.

The players

Microsoft

Microsoft is a major American technology company that develops the Windows operating system, the Office productivity suite, and the Azure cloud platform, and it is publicly traded on Nasdaq.

Charles Lamanna

Charles Lamanna is a Microsoft Vice President who has publicly addressed the company's product and service operations.

Downdetector

Downdetector is an online service that tracks user-submitted reports to monitor the availability of websites and digital platforms.

The details

Complaints began on Thursday evening as users experienced disruptions affecting several Microsoft services, and Downdetector, which monitors the availability of online platforms, collected reports from users in 74 countries and territories. Microsoft Vice President Charles Lamanna said the disruptions were not caused by hackers or any other external interference.

Thursday evening: user complaints began as Microsoft service disruptions started.
November 13, 2026, 12:03 p.m. Moscow time: Microsoft shares fell 2.92% in premarket trading.
November 13, 2026, 12:31 p.m. Moscow time: the share decline widened to 3.23%.

Market Landscape

Microsoft's share decline during a multi-service disruption places it in direct competition with other cloud and productivity providers that depend on uninterrupted availability for enterprise customers. The episode highlights how service reliability is becoming a measurable factor in investor sentiment for large public technology companies.

Users who rely on Outlook, Microsoft 365, Copilot or Teams for daily work may face interruptions until services are fully restored. Shareholders and retirement-fund holders with Microsoft exposure saw the stock drop during the premarket session.

The takeaway

Service outages can affect both productivity and stock prices within hours, so businesses should maintain backup communication plans for critical tools. Readers tracking Microsoft or other large technology holdings should watch for official company updates on service status.