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.

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

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

Email will continue to remain a prominent fixture in business communications for the foreseeable future. Encrypting email messages and attachments containing sensitive information is an absolute ...

I am seeing (what I think) is odd behavior in Outlook 2007 in regards to sending encrypted emails.<BR><BR>I have a co-worker with whom I have exchanged many encrypted emails. He recently changed ...