The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...

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.

A new Outlook (Classic) update is preventing Windows users from opening encrypted emails. Microsoft confirms the bug and ...

Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted ...

A new Microsoft-issued software patch for Outlook (Classic) on Windows 11 inadvertently broke encrypted email support - ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. As regular readers of the cybersecurity section here at Forbes ...

A lot of organizations have this feature where the user can encrypt the message that they are sending for privacy. Some users have reported seeing the following error ...