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Microsoft 365, Outlook and Teams hit by outages in US

Downdetector logged more than 130,000 Outlook problem reports, while Microsoft said connectivity issues could also affect users in other regions.

Laptop displaying an email interface beside a service connectivity warning
Photo: CNA

Thousands of users in the United States experienced problems with Microsoft 365, Outlook and Teams on November 12, according to outage tracker Downdetector.

Outlook drew more than 130,000 reports of problems by 1:27 p.m. ET. Downdetector also logged more than 46,000 reports concerning Microsoft 365 and about 3,000 involving access to Teams.

Microsoft had said earlier that a Teams disruption affecting North American users was fully resolved. The company later warned that users outside the region might also experience connectivity problems with Microsoft 365 services.

Downdetector compiles outage information using status reports gathered from multiple sources. Its report counts do not necessarily reflect the actual number of users affected.

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Hao Chen

Technology Editor

Edits and reviews technology business stories: artificial intelligence, chips, big tech, software, cybersecurity incidents, start-ups and platform regulation.