See http://www.slipstick.com/mail1/html.htm for a way to do this with
WordMail.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> How do edit or view the HTML code of the email that I am composing in
> Outlook??
>
> ie. With OE6 I have the 3 tabs (edit, source, preview).