David Cleland wrote:

I have created the distribution list in outlook with 1 entry. and I
have an rtf file of a list of address I need to add. Is there a
mechanism to do so ?

You can "import" into a DL in only one fashion, as far as I can tell. If
you have a list of addresses separated by semicolons, you can open the DL,
click Select Members, and in the "Members" field, paste that
semicolon-separated list, clicking OK after the paste.
--
Brian Tillman