Microsoft Outlook issues today: Why you can’t log in

Workers to log in to Microsoft Outlook skilled sudden issues Monday morning, with some customers receiving error messages and sudden signouts.

On its official Microsoft service status pagethe corporate confirmed that some Microsoft 365 Business and Enterprise prospects had been experiencing a service interruption and directed them to X for extra data.

The Microsoft 365 Status page on X acknowledged that some prospects had been unable to log in to the e-mail software program.

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“We’ve discovered some users may experience intermittent sign-in failures, including ‘too many requests’ errors, or unexpected sign-outs. We’re analyzing service telemetry further to identify any potential next steps and mitigation actions.”

Around 9:35 am ET, the Microsoft 365 Status X account, posted an extra replace stating that the issues had been ongoing.

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The platform DownDetector additionally reported a spike in person error stories starting round 5 am ET Monday morning, with a majority of customers figuring out login issues as the issue. Microsoft Outlook error stories continued to climb on Monday morning as US employees started their workweek.

(Disclosure: DownDetector and Mashable are each owned by the identical dad or mum firm, ZiffDavis.)

Meanwhile, Microsoft customers on X complained that they had been nonetheless unable to entry Outlook and criticized Microsoft for the lack of knowledge relating to the difficulty. The Microsoft service standing web page directs customers to X for extra data, whereas the Microsoft 365 help profile on X directs customers again to the web site standing web page.

Microsoft Outlook additionally skilled an outage in January.

This is a creating story…

UPDATE: Apr. 27, 2026, 11:21 am EDT This article has been up to date with extra details about the Microsoft Outlook outage, which is ongoing as of this writing.