Microsoft Outlook experienced a widespread outage on Monday, leaving hundreds of users unable to access their emails and accounts.
Surge in complaints across regions
Reports of issues quickly increased, according to Downdetector. The platform recorded a sharp rise in complaints shortly after the disruption began.
In the United Kingdom, more than 800 users reported problems. Meanwhile, over 400 users in the United States faced similar issues.
When the disruption began
According to Metro.co.uk, the outage started just before 10am on Monday, April 27, 2026. As a result, many users struggled to carry out routine email tasks at the start of the workweek.
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Most common issue: login failures
Login problems made up the majority of complaints. In fact, around 64% of users reported difficulties signing into their accounts.
Ongoing frustration for users
Consequently, the outage caused widespread inconvenience, especially for professionals relying on email communication. Although such disruptions are usually resolved quickly, the timing—early Monday—intensified user frustration.
