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

Encrypted emails in Microsoft’s older email client—called “classic Outlook” as opposed to “new Outlook”—have once again ...

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 - ...

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

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

While sending an email through the Outlook desktop app, if you see an error message saying Microsoft Outlook cannot sign or encrypt this message because there are no ...