Microsoft Teams Outage History

An outage affecting Microsoft Teams as part of Microsoft 365 services began at Jan 21, 2026 4:56 PM UTC. Users reported chat outages and degraded video calls across multiple regions, with some experiencing complete chat loss and others facing laggy or unreliable video. The incident impacted Microsoft Teams and broader Microsoft 365 services (including Outlook), and it lasted about 1 hour and 5 minutes, with services restored by Jan 21, 2026 6:01 PM UTC. The provider issued two status updates during the event to communicate the investigation and restoration progress.

The issue appeared broadly across North America and Europe, indicating widespread impact according to user reports. As services came back online, Teams and Outlook functionality returned to normal gradually over the restoration window.

An outage affected Microsoft Teams and broader Microsoft 365 access for users in the Japan region. The incident began at Dec 11, 2025 1:06 AM UTC with a regional impact and an investigation note, with suspected third-party networking services contributing to the disruption. The outage lasted approximately 35 minutes and was resolved by Dec 11, 2025 1:41 AM UTC. The provider posted two status updates during the incident as the situation progressed.

Geographic impact was regional to Japan, with no broader outages indicated. The incident concluded with services restored to normal according to the status page.

Australian users experienced degraded access to Microsoft Teams and broader Microsoft 365 services, with initial reports around 2:45 AM UTC. The Office 365 status page acknowledged the issue at Dec 10, 2025 3:46 AM UTC and noted telemetry review with recovery observed for some users. The provider posted two status updates during the incident and indicated progress as telemetry data arrived. The outage lasted approximately 2 hours and 5 minutes, with service returning to normal by Dec 10, 2025 5:51 AM UTC.

An outage impacted Microsoft Teams and broader Microsoft 365 services, with users reporting login problems, delays in Teams voice and video, and issues loading features such as assignments across many regions. The outage began on 6:36 PM UTC and was resolved by 2:11 AM UTC, lasting about 7 hours 35 minutes.

Microsoft's status page indicated that Microsoft halted the rollout of the impacting configuration change, began routing service traffic away from affected infrastructure, and worked to revert the infrastructure to a previous healthy state to restore availability. The provider issued 2 status updates during the incident. The issue affected a broad set of Microsoft 365 services and portals, and user reports show widespread impact across many regions and teams.

On 12:26 AM UTC, Microsoft 365 reported that users in Japan may experience issues across several services, including Microsoft Teams, Outlook, and Microsoft 365 Copilot. Users in the region may have encountered interruptions or degraded performance.

On Oct 9, 2025 6:46 PM UTC, Microsoft Teams and related Microsoft 365 services began a brief period of degraded access. Users across the United States reported authentication failures, difficulty loading Teams features, audio quality issues, and problems accessing files or SharePoint. The incidents appeared broadly US-wide, with multiple reports from different states indicating widespread disruption to Teams collaboration and Microsoft 365 capability.

On Sep 27, 2025 4:36 AM UTC, Microsoft 365 services experienced degraded performance and partial outages. Microsoft Teams was affected, particularly with notifications tied to change notification subscriptions, while Power BI and Microsoft Fabric showed degraded performance and partial outages, and Windows 365 connectivity was impacted. This led to interruptions in notifications and access for users across these services.

An extended incident degraded URL handling in Microsoft Teams and Exchange Online messaging. Users reported an inability to open URLs in messages and Teams conversations, and some emails were quarantined erroneously. Admin alerts warned of potentially malicious URL clicks that were later confirmed safe. The issue appeared global, with user reports from multiple regions over several days. The outage began on Sep 5, 2025 7:26 PM UTC and was resolved by Sep 10, 2025 4:01 PM UTC, lasting approximately 4 days, 20 hours, and 35 minutes. The provider issued 2 official status updates during the incident.

Status updates indicated an ongoing investigation into the URL access problem, with the initial alert noting that some users could not open URLs in Exchange Online messages or Teams. The service was progressively restored by the final update, returning to normal on Sep 10, 2025 4:01 PM UTC.

In North America, Microsoft 365 users experienced a brief outage affecting multiple services including Exchange Online and Microsoft Teams. Exchange Online users were unable to access mailboxes and provisioning of mailboxes was impacted, while Teams users faced issues with creating groups. The status page indicated a degraded experience across several Microsoft 365 services in the region as updates were issued.

An outage affected multiple Microsoft 365 services, including Microsoft Teams. Users may have experienced issues with access or performance during the window. The incident started at 2:16 PM UTC and was resolved by 3:31 PM UTC, lasting about 1 hour 15 minutes. The Microsoft 365 status page indicated impact across services and that telemetry was being reviewed to isolate the root cause.

During the incident, the Microsoft 365 status page issued two updates. Operators were reviewing service telemetry to isolate the root cause and determine the next troubleshooting steps, with services returning to normal after the second update.