I can't answer why, but there is perhaps no point as you have no control
over the way in which the recipients choose to read their email. Many
astute users will have the plain text option selected as it minimises the
risk of infection being carried by a rogue link in an HTML email.

Signature
Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP
> If I have Outlook set to HTML emails as the default, why does Word create
> Plain text emails if I select File | Send to | As Attachment ?