Microsoft outage hits tens of thousands of users

Microsoft 365 users worldwide are experiencing connectivity issues, with over 100,000 reports of outages on Downdetector. The problems began around noon Eastern and affect access to Exchange Online mailboxes and other Microsoft 365 services. Microsoft stated they are investigating and have identified elevated infrastructure load as a contributing factor.

Microsoft reported issues with users accessing their Exchange Online mailboxes and experiencing problems with Microsoft Teams on Thursday. The company initially posted about the disruptions on social media, identifying a possible cause and working towards a fix. Updates indicated that Teams functionality was restored, but issues with Exchange Online mailboxes continued to affect users globally. Microsoft emphasized…

On Thursday, Microsoft 365 users faced connectivity errors, preventing them from accessing their mailboxes and sending or receiving emails through Outlook. The disruption primarily affected Exchange Online, Microsoft’s cloud-based email service used by businesses and organizations. Microsoft stated that the issue was widespread across multiple regions, likely due to elevated load on its infrastructure.

On Thursday, Microsoft experienced significant outages affecting services like Outlook, Teams, and Microsoft 365, impacting thousands of U.S. users. According to Downdetector, there were over 97,000 reported incidents for Outlook alone at 2:07 p.m. ET, with additional reports for Microsoft 365 and Teams. Microsoft responded by pausing deployments and routing traffic to unaffected infrastructure while working to…

Stanford University is experiencing a service disruption affecting Microsoft Office 365 email and related services, such as Microsoft Teams and SharePoint Online, starting from 9:53 AM on November 12, 2026. The university’s IT department is monitoring the situation and will provide further updates by 1:30 PM. Other services with email integration, including page to email, Mailman, and Cardinal Fax, are also…

Microsoft reported global connectivity issues on Thursday that affected services including Teams, Outlook, and Copilot. The company attributed the outages to a configuration test that caused servers to fail health checks and strain the remaining infrastructure, rather than an increase in user traffic. Downdetector recorded a spike in UK reports and over 131,000 reports of Outlook problems in the US at approximately…

Microsoft is addressing a widespread outage affecting its 365 suite, including Outlook, Teams, Word, and Excel, after Down Detector recorded nearly 130,000 reports of connectivity issues. The company identified the cause as a portion of its infrastructure experiencing elevated load because a large number of servers became unexpectedly unavailable during automated checks. Microsoft is currently restarting affected…

Microsoft Outlook suffered a major outage on November 13 that affected Microsoft 365 connectivity for users in multiple regions, including Singapore. Downdetector recorded nearly 130,000 user reports of issues shortly after 1pm Eastern Time, with those numbers declining to approximately 60,000 by 3pm Eastern Time. Microsoft attributed the errors to elevated load across its infrastructure and reported that it paused…

Microsoft faced a significant outage on Thursday affecting its Microsoft 365 suite, including Outlook email and Teams collaboration tools, with nearly 130,000 reported issues on Downdetector. The company started experiencing problems accessing Exchange Online shortly before 1 p.m. ET and was working to restart servers and revert recent configuration updates to restore service.

On Thursday, Microsoft experienced widespread outages affecting services like Outlook and Teams, with nearly 130,000 users reporting issues on Downdetector. Microsoft attributed the disruptions to elevated load on its infrastructure, causing some servers to fail during automated checks. The company is working on a fix and reported partial restoration of Teams issues in North America earlier in the day.

On Thursday, Microsoft Outlook and other Microsoft platforms experienced an outage, affecting over 120,000 users. Reports of the problem surged just before 1:30 p.m., with approximately 130,000 users encountering issues, as tracked by Downdetector. Both the mobile app and website version of Outlook were impacted.

On Thursday, a significant outage affected Microsoft services including Outlook, causing issues for approximately 130,000 users as reported on Downdetector. Problems included difficulties sending and receiving emails and loading inboxes, alongside issues with Microsoft Teams, Copilot, and other Microsoft 365 applications. Microsoft acknowledged the disruptions and identified them as stemming from an elevated load on…

Microsoft Outlook experienced a major outage on Thursday that prevented tens of thousands of users from accessing websites, logins, and the app. Downdetector recorded over 65,000 reports of these issues by 6:10pm, with the disruption appearing particularly widespread in the Americas. The report highlights that while Microsoft investigated the Exchange Online mailbox issues, users also reported difficulties with…