superuser.com/questions/390806/how-can-i-view-the-entire-sou...

I know how to view the headers of an email message as well as the source of an HTML message. In Outlook Express, however, there was an option to see the entire message source code the exact same way it was received (i.e. headers and any plain-text and/ ...

superuser.com/questions/389717/how-do-i-view-source-in-outlo...

This question has already been asked here; but the answer only gives advice on how to view the email header not the actual html source of the email.