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.

Chris has reported for various tech and consumer goods outlets over the past decade, including Android Police and MakeUseOf since early 2022. Previously, he has contributed to outlets such as ...

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 ...