All of your Outlook data (contacts, messages, appointments, etc.) will be in
a file with a .PST extension. Look here for all the information you need on
backup and restoration of Outlook data:
http://www.slipstick.com/config/backup.htm

Signature
Jocelyn Fiorello
MVP - Outlook
*** Messages sent to my e-mail address will NOT be answered -- please
> I would like to backup my contacts on Outlook onto a CD
> but don't know the name(s) of the files to copy. Does
> anyone know what they are?
> Thanks,
> Barbara