XDA Developers on MSN
Windows 11's January update is causing chaos with Outlook, and there's no fix yet
There are workarounds, though.
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 ...
Microsoft admits that “Classic Outlook profiles with POP accounts and PSTs hang after Windows updates on January 13, 2026.” ...
Microsoft is investigating a Windows 11 regression that is causing classic Outlook to hang, lag, or become unresponsive after ...
Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for ...
Windows 11 KB5074109 causes a black screen on some PCs, including those with an Nvidia GPU, and also freezes Outlook if you ...
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