Thousands of Microsoft 365 users were reporting outages on Jan. 22. Here's the latest.

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

Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows security updates.

Microsoft Outlook outage hits 15,890 users Thursday due to infrastructure failure. All services restored Friday morning after seven-hour disruption.

Microsoft shares workarounds for a Windows 11 KB5074109 bug that breaks Outlook for POP email accounts and PST files.

Microsoft has acknowledged further problems with the January security updates for Windows. Applications may no longer respond.