Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze ...

Windows 11 KB5074109 causes Outlook freezing for POP accounts. Microsoft confirms the issue and investigates a permanent fix.

Windows 11 Patch Tuesday updates for 24H2 and 25H2 reportedly break classic Outlook, causing freezes, hangs, and lost email ...

Microsoft is investigating a Windows 11 regression that is causing classic Outlook to hang, lag, or become unresponsive after the January 13, 2026 cumulative update (KB5074109).

Windows 11 KB5074109 causes a black screen on some PCs, including those with an Nvidia GPU, and also freezes Outlook if you ...

Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted ...

If you're having problems with Microsoft Outlook, don't worry, you're not alone. A heat map on the website Downdetector — which provides a real-time overview of issues and outages of services — showed ...

Microsoft has issued an urgent fix for Windows 11 after a recent security update caused several major issues with the ...

Several thousand Microsoft Outlook users ran into issues with the email platform Wednesday night and Thursday morning, with some reporting problems like loading their inboxes or signing in. Microsoft ...

Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.

Microsoft is reporting issues with its Outlook email program on Thursday, July 10. According to Microsoft's status page, users may be unable to access their mailbox through any connection method.