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

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

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

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

Microsoft’s Secure Future Initiative is kicking in for Outlook.com, with higher levels of security that may impact third-party apps. Microsoft’s Secure Future Initiative is kicking in for Outlook.com, ...

Wino Mail is a free and open-source email client for Windows 11 that offers the fluidity, native design, and touch input that ...

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

Update, July 10, 2025: This story has now been updated with further information regarding the Microsoft Outlook email outage, including a statement from Microsoft. Microsoft Outlook is currently down ...

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

If you logged in for work this morning and found you couldn't access your emails - don't worry, it wasn't just you - Microsoft Outlook had a major blip today. Thousands of users across the world ...

Microsoft will start to switch Hotmail users over to Outlook.com. Feb. 19, 2013 -- So long, Hotmail. We'll always remember you and all your 1990s glory. Microsoft announced today that its new webmail ...