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

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

In the latest version of classic Outlook, users can't open encrypted emails. Microsoft confirms the issue and is ...

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

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

When sending important information over email, such as financial statements, health records, or legal documents, it’s ...

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 ...