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://www.howto-outlook.com/Howto/backupandrestore.htm

Signature
Russ Valentine
[MVP-Outlook]
> How do I backup my contacts?
billking45 - 15 Mar 2005 22:19 GMT
WOW....What great sites. I spent hours trying to navigate the Office and
Windows web sites and didn't find any thing like these. THANK YOU RUSS!!!!
> The file you need to back up is your Personal Folders file (*.pst) It's
> where all the mail, calendar, contacts etc are stored.
[quoted text clipped - 4 lines]
>
> > How do I backup my contacts?