Microsoft’s latest email outage turned into a full blown global cloud crisis

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Image Credits:ANDREW CABALLERO-REYNOLDS / AFP / Getty Images

5:15 AM PST · November 13, 2026

Microsoft is dilatory recovering from its day-long outage aft overmuch of the company’s systems were deed by a cascading bundle issue.

The problems, which began Thursday, were initially flagged arsenic affecting the company’s services successful the U.S. and the Americas, but rapidly dispersed astir the world, arsenic engineers struggled to retrieve downed servers.

What began arsenic an Outlook email and Teams video conferencing outage soon developed into a afloat blown meltdown, affecting the company’s unreality services for some user and concern email, files, and documents. The outage besides knocked retired the company’s Copilot AI tools, Defender information screening software, and prevented strategy administrators from accessing their interior Intune dashboards and features. Some users reportedly experienced issues with accessing their cloud-based Windows computers.

Microsoft hasn’t yet said what caused the issues, lone saying the outage progressive “a ample fig of servers being unexpectedly unavailable.” The institution said it continues to analyse the cause.

The outage affected a wide scope of industries, including TechCrunch’s ain email. We’ve reached retired to Microsoft for remark astir the incident.

Image Credits:Fabrice COFFRINI / AFP / Getty Images

As of Friday greeting connected the U.S. eastbound coast, Microsoft’s Outlook email work had begun to retrieve and immoderate emails person been trickling in. The betterment comes aft engineers initially could not find the origin of the contented that was causing servers successful Microsoft’s information centers to fail.

Doug Madory, the manager of net investigation astatine Kentik, a institution that monitors net postulation worldwide, said successful a station connected Bluesky that postulation was returning to Microsoft’s services aft astir 18 hours of downtime.

Microsoft said successful its latest presumption update connected Friday that determination was “no grounds of malicious enactment associated with this incident.” That whitethorn beryllium immoderate solace for the millions who went without their email and online services yesterday, but the institution is apt to look questions astir its inability to swiftly retrieve from an outage of its ain making.

A Microsoft spokesperson did not respond to our questions asking if the institution has the method means to observe malicious activity, specified arsenic logs, oregon if Microsoft has a mode to cheque what happened.

The past large incidental affecting Microsoft services was in September, erstwhile a days-long outage deed Microsoft’s unreality services. During that outage, Microsoft blamed a “core authentication configuration” contented that prevented users from accessing the service.

This communicative was archetypal published connected November 12 and has been updated throughout.

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Zack Whittaker is the information exertion astatine TechCrunch. He besides authors the play cybersecurity newsletter, this week successful security.

He tin beryllium reached via encrypted connection astatine zackwhittaker.1337 connected Signal. You tin besides interaction him by email, oregon to verify outreach, astatine [email protected].

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