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

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

Classic Outlook tells you to open the email to "read its contents and verify your credentials," but that doesn't work.

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

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 ...

Now, Copilot has access to all your files in OneDrive and emails in Outlook. However, your data stays within the Microsoft ...

If Share Contacts is not working, missing, or grayed out in MS Outlook, ask the owner to give you permission, delete Outlook ...

Learn Microsoft Copilot basics, free and paid differences, and prompt tips to draft Outlook replies faster and summarize ...