Outlook doesn't do that. You'd need to open them in two separate windows. You can right-click on any folder and choose Open in New Window.
Please turn off the All Caps key. It's considered shouting.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> HOW AN I OPEN MY CONTACT FOLDER AND MY MAIL FOLDER AT THE SAME TIME IN THE
> NAVIGATION PANE LIKE I CAN IN OUTLOOK EXPRESS?