They are addresses used in the past, coming from a cache that Outlook maintains. Use the up/down arrow keys to select any address that is outdated or incorrect, then press Delete to remove it from the cache.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> When I click on "to," to address an email, I find some contacts in the list
> that are not in my contacts folder. Where are they coming from and how do I
> get rid of them? They are mostly incorrect addresses and duplicates and it's
> confusing trying to remember which address is current and which one to use!
> Can anyone help please?? Thanks.