Encrypted emails in Microsoft’s older email client—called “classic Outlook” as opposed to “new Outlook”—have once again encountered problems. The company confirms on this support page that users of ...

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

A new Microsoft-issued software patch for Outlook (Classic) on Windows 11 inadvertently broke encrypted email support - here's what that means.

There is no fix available, but you can always revert to an older version.

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

If you send sensitive information through email, you risk someone intercepting and reading your messages. However, you can ensure that only you and the intended recipient can view the contents of your ...

You may see this error because the Microsoft 365 encryption service cannot verify your identity or check if you have permission to view the message. This is not ...