So when the message header is collapsed, you’ll be unable to edit the subject line in Outlook email. In Outlook 2013, the default behavior is the expanded header while Outlook 2016 the default ...

You cannot edit the message subject through Outlook. When you open a message in Outlook and select the subject, the text cursor does not appear, making it impossible to edit the subject of the message ...

In Thunderbird there was a great addon that would allow you to redirect a message. In this case, redirect meant:<BR>Change the 'from' header to read "Joe Sender by way of Bob Redirector"<BR>Copy ...