The latest KB5074109 update for Windows 11 causes the classic Outlook app to crash and lose emails, and there’s a risk of data loss if PST or OST files are stored on cloud-backed storage! You can read ...

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

Now, Neowin reports that several users are saying the latest Windows 11 update ( KB5074109) has made classic Outlook ...

Struggling with the Windows 11 Mail app not syncing? Discover proven, step-by-step fixes to get your emails flowing smoothly again. Quick solutions for common sync errors without tech headaches.

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

Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for ...

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