Don't think you can. This contains the routing
information on who you are, where the e-mail came from,
how it was sent, etc.
Normally when you send from Outlook using that as your
editor, you would see this header under View|Options (on
an email you receive)
>-----Original Message-----
>I use word as my default email editor and every email I
>send has an attachment which is the Internet Explorer
>icon with the title 'header.htm' 1KB
>How can I get rid of this please??
>.