Downdetector tracked significant outage spikes across key office applications, led by over 130,000 incident reports for Outlook in the early afternoon. Although Microsoft claimed it had resolved an earlier North American Teams issue, service connectivity problems persisted. Furthermore, the tech giant warned that users in other international regions could experience Microsoft 365 disruptions as well.
Key points
Microsoft previously reported that an earlier Teams disruption affecting North American u…: Microsoft previously reported that an earlier Teams disruption affecting North American users was fully resolved.
Downdetector calculates its outage metrics by collating user status reports from a variet…: Downdetector calculates its outage metrics by collating user status reports from a variety of sources.
The actual number of impacted customers may vary from the figures tracked by third-party…: The actual number of impacted customers may vary from the figures tracked by third-party monitoring platforms.
Sources checked by our analysis pipeline: 1
Nov 12 : Microsoft 365, Outlook and Teams were down for thousands of US users on Thursday, according to outage-tracking website Downdetector.com.
Here are more details:
• There were more than 130,000 incidents of people reporting issues with Outlook at 1:27 p.m. ET, according to Downdetector, which tracks outages by collating status reports from a number of sources. The actual number of affected users may vary
• Microsoft said earlier in the day it had fixed a Teams disruption affecting users in North America and that the impact had been fully resolved
• The issue may also affect Microsoft 365 service connectivity for users in other regions, the company later said
• Downdetector recorded more than 46,000 user reports of problems with Microsoft 365, and about 3,000 reports of users having trouble accessing Teams
Technical disruptions have hit infrastructure tied to Microsoft, preventing broad customer segments from accessing critical tools. The widespread scale of the incident highlights vulnerabilities within networked enterprise ecosystems reliant on centralized service providers. Extended downtime of this magnitude typically compounds operational delays across personal and professional environments globally.
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Users attempting to access workplace communications are facing severe disruptions today due to technical failures across key services. The situation is complicated because the platform typically used to track infrastructure health is also unresponsive. Consequently, customers cannot rely on standard channels to monitor the disruption.