Trending Now - Microsoft Acknowledges Sign-in Problems With Outlook.com

WHO:

CNET - Microsoft is the organization involved in addressing the sign-in problems with Outlook.com.

BleepingComputer - Downdetector is the outage monitoring service receiving user reports.

WHAT:

CNET - Users might experience trouble logging into their email.

BleepingComputer - Microsoft is investigating an ongoing outage causing intermittent sign-in issues and preventing customers from accessing their mailboxes.

BleepingComputer - Thousands of user reports have been received regarding login problems and connection issues.

BleepingComputer - Affected customers are being signed out of their accounts and encountering "too many requests" errors.

BleepingComputer - Microsoft described the incident as causing "service degradation."

WHERE:

BleepingComputer - The outage affects users accessing Outlook.com, but specific regions have not been disclosed.

WHEN:

BleepingComputer - The incident started over three hours prior to the report.

WHY:

BleepingComputer - Microsoft indicated that client sign-in scenarios may be contributing to the reported behavior.

HOW:

BleepingComputer - Microsoft is focused on validating interactions across service components to identify next steps regarding the outage.

(UPDATED April 27, 2026 15:34 UTC)

Microsoft is currently addressing sign-in problems with Outlook.com, as users are experiencing difficulties logging into their email accounts. Thousands of reports have been filed regarding login issues, with many customers being signed out and encountering "too many requests" errors, which Microsoft has described as causing "service degradation." The company is investigating the outage, which began over three hours ago, and is working to validate interactions across service components to determine the next steps.