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

Microsoft has issued guidance to uninstall KB5074109 security update or switch to webmail after the patch caused Outlook Classic to freeze on Windows 11 systems.

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

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 due to an unknown outage affecting millions of users ...

If you cannot see pictures in your Outlook email messages, read this post to learn how to fix the issue. Many Outlook users have been experiencing issues where images embedded in their email messages fail to display. Instead of the image, a red cross ...