Microsoft restores all services after global technical outage affects millions of users

Microsoft announced the complete restoration of its services on Saturday, November 14, 2026, following a major global technical outage. The service interruption began on Thursday, November 12, 2026, and affected millions of users and organizations across the globe. The outage was caused by a technical issue related to high load on the company's infrastructure, rather than a cyberattack or artificial intelligence issues, according to Microsoft.

Scope of the global disruption

The technical failure caused widespread operational difficulties for various sectors, including government agencies, hospitals, and private businesses. Downdetector reported service disruptions in at least 74 countries and territories spanning the Americas, Europe, Asia, and Africa. The outage specifically impacted several key platforms, including the Outlook email service, the Teams communication platform, and the Copilot AI assistant.

The impact on essential services was significant. The United Kingdom National Health Service (NHS) had to reschedule some medical procedures due to the disruption. In the United States, the outage caused difficulties for government agencies in New York and employees in the country referred to the day as a "snow day for adults." On Friday, November 13, 2026, users experienced specific technical issues involving non-responsive web pages and problems with meeting invitations.

Impact on corporations and security

The outage also disrupted financial reporting for several major companies. Richemont and Workhorse Group Inc. were among the corporations forced to delay their financial results because of the incident. Microsoft 365, which serves more than 450 million professional paid users excluding individual users, experienced significant downtime during the period.

As the outage unfolded, Microsoft's threat analysis division issued a warning regarding security risks. The division warned that active phishing campaigns were using fake notifications to exploit the ongoing outage. Microsoft stated that the company has successfully completed efforts to resolve the incident and restored service to remaining affected users and regions. The company has promised to provide a full report on the incident once the investigation concludes.

Historical context of IT outages

This incident follows a previous global IT outage that occurred in July 2024. That earlier disruption was caused by a faulty update and paralyzed airports, hospitals, and various other organizations worldwide. While the current outage was caused by high infrastructure load, both events highlighted the global reliance on centralized cloud services. Microsoft officials confirmed that the current technical problem was not a result of a cyberattack or artificial intelligence systems.

Glossary

• Copilot AI assistant — The Copilot AI assistant is a platform that was impacted by a global technical outage. It is one of several key platforms affected by the service disruption.
• Microsoft 365 — Microsoft 365 is a service that serves more than 450 million professional paid users, excluding individual users. It experienced significant downtime during the technical outage.
• Downdetector — Downdetector is a service that reported service disruptions in at least 74 countries and territories during the outage.
• Outlook — Outlook is an email service that was specifically impacted by the global technical outage.