Microsoft outages extend into 2nd day worldwide, company not aware of malicious activity

Résumé détaillé

Microsoft said in an update Friday that an hourslong outage was affecting a wide range of Microsoft 365 offerings that interact with its Exchange Online and email services.…

Microsoft said in an update Friday that an hours-long outage was affecting a wide range of Microsoft 365 offerings that interact with its Exchange Online and email services. Services including Outlook, Teams and AI assistant Copilot were reported by users to be down.

The Redmond, Wash.-based company said it was trying different ways to identify the cause of the problem and get its servers back online, using "a measured approach to identify and repair affected infrastructure."

The company said it did not have any indication that the outage was caused by malicious activity and would treat the incident "with urgency and priority until full resolution."

More than 430 million people use Microsoft 365 apps, Microsoft said on its website, with the outage affecting individual users, companies and some government operation.

OpenAI and Anthropic each reported that they were facing problems connecting with Microsoft 365 tools, underscoring the ripple effects of outages as more people use artificial intelligence platforms to interact with other companies' software.

A series of posts by the company on X suggested its engineers were struggling to get the problem fully under control.

Hours after saying it managed to successfully restore service health and functionality, the company said it had updated its list of impacted services and was continuing to address the issue.

Its most recent post offered little hope for users expecting a quick resolution.

"We've monitored the status of the changes applied to improve serviceability and confirmed they're not taking as expected," the company wrote.

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