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Extended Microsoft outage takes out Office 365, Outlook and several other cloud services

Multiple Microsoft cloud services, including widely used tools like Office 365 and Outlook, were down for several hours Monday afternoon after the company rolled out a change to its code that it later attempted to roll back. Microsoft Teams, Dynamics365 and the Power Platform were also inaccessible for several hours starting around 2:30 p.m. PT.

"We're rerouting traffic to alternate infrastructure to improve the user experience while we continue to investigate the issue," the company said just before 5 p.m. PT, marking the official start of Happy Hour for anyone on the West Coast who relies on Microsoft software. Microsoft has invested in improvements to the reliability of its cloud infrastructure over the past couple of years after a series of high-profile problems, but Gartner continues to warn potential customers about Azure stability.

Tom Krazit

Tom Krazit ( @tomkrazit) is a senior reporter at Protocol, covering cloud computing and enterprise technology out of the Pacific Northwest. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET, paidContent, and GeekWire. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET and paidContent, and served as executive editor of Gigaom and Structure.

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