Microsoft says outage affecting Microsoft 365, Outlook, other services has been resolved

January 23, 2026

TL;DR

Thousands of Microsoft customers experienced outages with Microsoft 365 services on Thursday.
Affected services included email (Outlook), Teams, and other tools.
Downdetector reported a spike in user complaints around 3 p.m. ET, with 16,000 users reporting issues.
Microsoft initially acknowledged degraded service functionality for a subset of customers.
The company posted on X that affected infrastructure was restored to a healthy state by 4:14 p.m. ET.
As of late Thursday, some users were still reporting inability to access services.
Users called for compensation from Microsoft due to work disruptions.
Previous incidents impacting Microsoft 365 include a CrowdStrike update causing global outages in 2024.
Microsoft confirmed the outage impact was resolved early Friday.

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