Microsoft admits that “Classic Outlook profiles with POP accounts and PSTs hang after Windows updates on January 13, 2026.” If you’re affected, you need to await a fix. “The Windows Team will be ...

There are workarounds, though.

Microsoft services are down for thousands of users, according to tracking service Downdetector.

Update, July 10, 2025: This story has now been updated with further information regarding the Microsoft Outlook email outage, including a statement from Microsoft. Microsoft Outlook is currently down ...

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

Ensure smooth email delivery by checking Outlook's status, restarting the app, and maintaining stable internet connectivity Make sure Outlook is working and check your internet connection if you're ...