The file you need to back up is your Personal Folders file (*.pst) It's
where all the mail, calendar, contacts etc are stored.
Take a look at these pages for info on Outlook data backup:
http://www.slipstick.com/config/backup.htm
http://support.microsoft.com/support/kb/articles/q168/6/44.asp
http://support.microsoft.com/support/kb/articles/q181/0/14.asp
http://support.microsoft.com/support/kb/articles/q184/8/17.asp

Signature
Russ Valentine
[MVP-Outlook]
>I am trying to backup all my Contacts data to another drive so I don't have
> to retype all those names again. Does anyone have an answer for me.
> Appreciate it.
> Marlene