Microsoft said Thursday that it was working to resolve technical issues that were getting in the way of people sending and receiving email messages in its Outlook application.

Microsoft experienced a major outage on January 22 that affected Outlook, Teams, 365 and more. Here's what happened.

Microsoft confirms major outage disrupting Outlook, Teams and Microsoft 365 for tens of thousands of users nationwide.

According to the website, the outage started around 2 p.m. and spiked at around 3:15 p.m. with 15,792 people reporting outages. The numbers started to drop, and at 4:30 p.m. showed about 9,800 users still without Microsoft 365. By 6:40 p.m., that number decreased to less than 3,200.

Outage trackers like Downdetector showed thousands of reports, with spikes in Outlook and broader Microsoft 365 complaints. This marks the second consecutive day of notable issues for Microsoft's cloud productivity suite in 2026. Microsoft Service Health Status also points out that Microsoft 365 is experiencing service degradation: