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

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

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 ...

This problem often occurs when your local Outlook client uses outdated cached policy data rather than obtaining the latest encryption or labeling settings from Microsoft 365. Outlook has multiple ...