Actually you should never use export and import unless you particularly want
to lose some of your data.
Just copy the PST file and open it in the other installation.
Take a look at these pages for info on Outlook data backup or transfer:
http://www.slipstick.com/config/backup.htm
http://www.howto-outlook.com/Howto/backupandrestore.htm
http://office.microsoft.com/en-us/assistance/HA010771141033.aspx

Signature
Russ Valentine
[MVP-Outlook]
> When moving the contents of my Contacts folder from one PC to annother, I
> should export my contacts to a Personal Folders file (.pst) by using the
[quoted text clipped - 3 lines]
> the
> contacts are hidden somewhere in one of the Outlook files ?