Microsoft Teams outage history

Users of Microsoft Teams experienced a messaging outage that prevented sending or receiving messages and caused delays across mobile, web, and desktop clients. Reports spanned numerous U.S. regions with some international locations also affected, indicating a broad impact on chat functionality. The outage began at 1:57 PM UTC and persisted for a little over an hour, with many users reporting slow message delivery and chats failing to load or send.

Microsoft did not publish an official incident update on the Office 365 status page during the event. StatusGator recorded an Early Warning Signal starting at Jul 7, 2026 1:57 PM UTC for problems sending and receiving messages, ending at 3:09 PM UTC. The incident shows a clear pattern of user-reported outages across multiple regions, while the provider's status feed remained silent during the incident.

Impact began around 12:15 AM UTC and was largely resolved by 1:37 AM UTC. During the window, users reported widespread inability to access Teams features such as chat, meetings, and calls. Many saw the generic outage message: 'Our services aren't available right now. We're working to restore all services as soon as possible. Please check back soon.' The disruption was global, with affected users across North America, Europe, Asia-Pacific, and South America.

StatusGator detected the issue at Jun 24, 2026 12:15 AM UTC, ahead of any official acknowledgment on the Microsoft Teams status page. No official Teams status updates appear in the provided feed. User reports surged from around 1:00 AM UTC and continued through 1:30 AM UTC, with people in Tokyo, Auckland, Sydney, Lima, and other cities reporting outages and reconnect attempts. The outage appears global in scope, affecting core collaboration features for a broad set of customers.

From Feb 11, 2026 9:00 AM UTC to Feb 11, 2026 2:34 PM UTC UTC, users across Europe, the United Kingdom, and North America reported that the Microsoft Teams Assignments module would not load, preventing viewing or submitting assignments. Reports described assignment pages failing to load, timeouts, and blank screens, disrupting classroom workflows for students and educators. The outage appeared centered on the Assignments feature within Microsoft Teams, with other Teams functionality largely unaffected.

The outage began at 4:56 PM UTC and was resolved by 6:01 PM UTC. Microsoft Teams, part of Microsoft 365, experienced degraded messaging, chat failures, and video call issues during this period. User reports from the United States and Europe described chat not sending, laggy calls, and intermittent connectivity across Teams. The outage lasted about 1 hour and 5 minutes before services returned to normal.

Microsoft's official status updates acknowledged an investigation into a potential issue affecting Microsoft 365 services and noted that updates would be provided within 30 minutes. The incident concluded with services returning to normal by 18:01 UTC.

The outage began at Dec 19, 2025 7:08 PM UTC and was resolved by Dec 19, 2025 8:35 PM UTC. StatusGator detected the issue at Dec 19, 2025 7:08 PM UTC, ahead of any official acknowledgment. During the incident, Microsoft Teams users experienced an outage impacting messaging and image loading, with reports of delayed messages, inability to send messages, and images not displaying; some users also had trouble joining meetings. The outage lasted approximately 1 hour and 27 minutes.

There were no official status updates posted on the Office 365 status page during the incident. The incident drew a high volume of user reports across multiple regions, indicating broad geographic reach in North America and parts of Europe, with widespread performance degradation and intermittent outages across messaging, image loading, and meeting features.

An outage in Japan briefly prevented access to Microsoft 365 services, including Microsoft Teams. The disruption began at 1:06 AM UTC and was resolved by 1:41 AM UTC, lasting roughly 35 minutes. The impact was regional to Japan, with no widespread disruption reported. Status updates indicated an ongoing investigation and noted that third-party networking services may have contributed to the disruption, with a follow-up confirming restoration.

Australian users experienced issues accessing Microsoft Teams and Microsoft 365 services. The incident began at 3:46 AM UTC when the Microsoft 365 status page moved to a warning while telemetry was reviewed, with recovery noted for some users in the next update. The issue affected Teams and other Microsoft 365 services across Australia.

The outage lasted about 2 hours and 5 minutes, with the service returning to up at 5:51 AM UTC. The provider issued two status updates during the incident. The impact was geographically limited to Australia, and user reports were observed starting around 2:45 AM UTC UTC and continuing into the early incident window.

The outage affected Microsoft Teams video meetings and calling, with users reporting video not loading, meetings freezing, and calls dropping. The incident began at 2:25 AM UTC and was resolved by 3:12 AM UTC, lasting roughly 47 minutes. StatusGator also logged an Early Warning Signal at Dec 10, 2025 2:25 AM UTC as user reports surfaced from multiple regions, indicating broad impact. There were no official status updates posted by Microsoft Teams during the outage. The event appeared to be widely felt across regions with reports from Australia and Malaysia suggesting a global reach.

The outage underscores a widespread disruption affecting video meetings and conferencing in Microsoft Teams, impacting users across different time zones. While user reports spiked during the event, Microsoft Teams did not publish updates to the status page in real time, leaving users without official guidance until the issue was resolved.

Microsoft Teams experienced a brief disruption where users could not join meetings. StatusGator detected the issue via an Early Warning Signal at Nov 13, 2025 11:34 PM UTC, with the symptom described as 'Unable to join meetings'. The incident appears to have been short, ending at 11:34 PM UTC. A user located in Mount Holly, New Jersey reported the problem.

There were no official status updates published on the Microsoft Teams status page for this incident, indicating limited visibility on the provider's side. StatusGator flagged the issue based on early user reports prior to any acknowledgment, and the available signals suggest the problem did not cause widespread disruption beyond users attempting to join meetings.

Microsoft Teams experienced an outage affecting the Assignments feature, with users worldwide reporting that assignments would not load, could not be opened, or could not be submitted. The disruption appeared to target the Assignments tab and related workflows, impacting education-related activities for students and educators relying on assignment creation, viewing, and submission. Reports spanned Europe, North America, and other regions, indicating a widespread issue.

StatusGator detected an Early Warning Signal from Nov 12, 2025 8:12 AM UTC to Nov 12, 2025 3:46 PM UTC as user reports grew. The outage lasted about 7 hours and 34 minutes. There were no official updates posted on the Office 365 status page during the incident.