Microsoft outage disrupts Outlook and Teams worldwide

A major outage at Microsoft is ongoing, disrupting Microsoft 365 cloud services including Outlook, Teams, and the Copilot AI assistant for users worldwide. The disruption has affected email, meeting scheduling, calendar functions, and admin portals, with third-party AI integrations from OpenAI and Anthropic also impacted. Microsoft engineers have been working to reroute traffic and restart servers, but have reported setbacks as systems fail again under load. This follows a similar multi-hour outage of Microsoft's email services in late August, which was attributed to a cloud infrastructure problem. The duration of the current disruption remains unclear.