By Jonathan Limehouse
Publication Date: 2026-01-22 20:43:00
Jan. 22, 2026Updated Jan. 23, 2026, 9:30 a.m. ET
An outage impacting Microsoft 365 users is “resolved” after thousands of users reported issues for several hours Thursday, Jan. 22. A few hundred are still reporting issues on Friday, Jan. 23.
Thousands of Microsoft 365 users began reporting outages on the afternoon of Jan. 22, according to Downdetector.
At the peak of the outage, more than 15,000 people reported Microsoft 365 outages at around 3:15 p.m. ET. But by 8 p.m. ET, those reports had subsided to about 2,000. As of Jan. 23 at 8 a.m. ET, reports were at around 600.
The majority of people (66%) reported issues with Microsoft Exchange, the tech giant’s enterprise messaging and collaboration platform that provides business-class email, calendars, contacts and tasks.
Roughly 26% were having issues with the Microsoft 365 Administration Center, largely used by IT teams.