Jim,
i have this problem too, but in Outlook XP, but after doing a bit of research the only way to amend this list is to delete entries when they appear, they cannot be altered. this may be different in 2003 but i doubt it.
Slán
~M

>I'm guessing that Outlook 2003 uses some type of most-recently-used (aka "history" in IE) for its "To:" and "cc:" addresses because it will bring up things that simply do not appear in my "Address book".
>
>How can I edit that thing??... It keeps popping up things that i don't want in there and don't appreciate having to 'bypass' them and don't appreciate that it effectively replaces a 'good' entry with the latest one that I might not want.
>
>Thanks if you can get this aggravation out of my life.