Microsoft Outlook Outage Leaves Users Without Email
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Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows security updates.
If your Outlook Classic freezes or hangs when you use POP accounts or deal with PST files, you'll need to remove Windows 11 KB5074109.
Windows 11 KB5074109 causes Outlook freezing for POP accounts. Microsoft confirms the issue and investigates a permanent fix.
If Share Contacts is not working, missing, or grayed out in MS Outlook, ask the owner to give you permission, delete Outlook cache, ask the administrator to remove restrictions.