Panic wrote:

While I use plain text in Newsgroups I use Rich Text (HTML) for my
email with Outlook Express. Is Outlook's Rich Text different than
OE's Rich Text (HTML)?

Completely different. Outlook Express's Rivh Text corresponds with
Outlook's HTML format. Outlook's Rich Text is a format specific to Outlook
and is encapulated in TNEF when going outbound. Outlook Express can't
decode TNEF and so ignores it.
--
Brian Tillman [MVP-Outlook]