what happened to microsoft today
Microsoft experienced a widespread service outage on Thursday, November 12, 2026, disrupting access to Outlook, Teams, Copilot, and broader Microsoft 365 applications for hundreds of thousands of users.
What Happened
- Affected services. Users across the Americas and other global regions reported severe difficulties sending, receiving, or loading emails via Exchange Online. Disruptions also hit Microsoft Teams, SharePoint Online, OneDrive, Copilot, and administrative portals.
- Scale of impact. Outage tracker Downdetector recorded over 130,000 reports for Outlook and nearly 50,000 reports for Microsoft 365 shortly after 1:00 p.m. ET. Organizations including major healthcare systems noted email and voicemail disruptions.
- Suspected cause. Microsoft stated that servers went offline after failing automated health checks. The company noted that the failures likely stemmed from a specific server component combined with unusually heavy infrastructure load across multiple regions.
- Recovery efforts. Engineers validated an alternative service health check method, rebalanced network traffic, and began restarting affected servers to restore capacity.
Stock Performance
Despite the service disruption, Microsoft shares remained resilient during Thursday’s trading session.
Microsoft Corp (MSFT)
$523.00
0.36% today
Closed: 11:00 PM • Disclaimer
After hours: 12:50 AM
$521.00
-0.38%
6:00 PM8:00 PM10:00 PM12:00 AM522524526528Prev close $521.12
Nov 12, 4:30 PM – Nov 13, 12:50 AM
Open521.10 Mkt cap$3.88T USD 52-wk high559.15
High529.66 P/E ratio27.31 52-wk low349.20
Low520.00 Div yield0.75%