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

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

I have been moving from Google and Microsoft to Proton products. Proton's email and other products include encryption by default, and password-protecting messages adds a layer of security. However, I ...

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

Anyone concerned about unwanted third parties such as big businesses or even hackers accessing sensitive data or conversations carried out via email might be interested in this quick guide which shows ...

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 ...