Downdetector Reports
The latest Downdetector Reports coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Teams Disruption: 217 US Reports on Downdetector and Essential Checks for IT Admins
Microsoft Teams became largely unusable for hundreds of users across the United States on Monday morning, June 15, 2026, triggering a flood of outage reports on Downdetector. According to AOL,...
Microsoft Copilot Outage Traced to Authentication Failure, Disrupts Millions
Microsoft Copilot, the AI assistant woven into the fabric of Windows 11, Microsoft 365, and Edge, crashed hard on Thursday, June 11, 2026, leaving millions of users staring at unresponsive panes and...
Microsoft Copilot Mobile Outage: 2,600+ Reports Reveal Smartphone AI Dependency
Microsoft Copilot experienced a widespread service disruption on Monday, June 1, 2026, leaving thousands of users unable to access the AI assistant. Downdetector, the outage-tracking platform,...
Microsoft Copilot mobile app outage sparks enterprise reliability concerns
Microsoft Copilot suffered a significant service disruption on Friday, May 29, 2026, as a flood of user complaints overwhelmed Downdetector. By 8:58 a.m. Pacific time, more than 2,600 reports had...
Copilot Outage May 29 Exposes AI Reliability Gap in Microsoft 365
Microsoft’s Copilot AI services stumbled on Friday, May 29, 2026, leaving countless users locked out of the assistant across Windows, Microsoft 365 apps, and the web. Consumer news outlets quickly...
Microsoft Outlook Global Outage: Millions Affected, Service Gradually Restoring
A major outage affecting Microsoft Outlook, impacting millions of users worldwide, began on the evening of July 9th, 2025. The disruption spanned various platforms, including Outlook.com, Outlook...
Microsoft Outlook Global Outage: Millions Affected, Authentication Issue Blamed
A major global outage affecting Microsoft Outlook began on July 9, 2025, around 10:20 PM UTC, leaving millions of users unable to access their email accounts across web, mobile, and desktop...