Thousands affected as Microsoft services suffer prolonged disruption

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Kritik
13 Nov 2026
22
SubCategory | Business Trends

Thousands affected as Microsoft services suffer prolonged disruption

By Reuters

WASHINGTON: Microsoft 365, Outlook, Teams and other company apps remained disrupted for thousands of users for more than five hours on Thursday, with the outage also affecting connectors used by OpenAI’s and Anthropic’s AI services.

As of 6 pm ET, Microsoft said it was still working to restore affected servers and had observed limited recovery as users gradually reconnected. Reports of Outlook problems peaked at 138,058 at around 1 pm ET and had fallen to about 34,490 by the evening, according to Downdetector.

The company had earlier said that a number of servers had unexpectedly become unavailable due to elevated demand, rather than an increase in traffic.

“We are aware and investigating reports of users experiencing issues with Microsoft 365 services, primarily issues with Exchange Online,” a Microsoft spokesperson said.

By 5.47 pm ET, the number of reports of problems with Microsoft 365 had fallen to nearly 13,000, while there were 763 reports of users having trouble accessing Teams, according to Downdetector.

The tech giant said the restored servers had remained stable so far and that it was shifting traffic to alternative routes wherever possible while streamlining the process of bringing the remaining affected servers back online.

“As capacity is restored, users may experience a gradual recovery as their clients reconnect,” Microsoft said in a statement.

BUSINESSES FEEL THE IMPACT

OpenAI said it was investigating an issue with Microsoft connectors that could cause new connections to fail and tools to not work as expected.

Anthropic said it had identified an issue with an upstream provider affecting its Microsoft 365 connector.

Microsoft last month reported an outage of its Azure cloud platform that affected the tech giant’s suite of productivity software and a range of industries worldwide.

Electric truck maker Workhorse Group, which was expected to report its third-quarter results on Nov 12, rescheduled the announcement to Nov 16, citing business disruptions caused by the global Microsoft outage.

Source: thousands-affected-as-microsoft-services-suffer-prolonged-disruption

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