In the latest version of classic Outlook, users can't open encrypted emails. Microsoft confirms the issue and is investigating.
Microsoft is looking into a newly identified issue in classic Outlook that prevents users from opening certain encrypted ...
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), ...
SSE-C stands (well, stood) for “Server Side Encryption- Customer-provided keys”. It allowed you to provide an encryption key ...