To add a new address book in Outlook 2007

1. On the Tools menu, click Account Settings.
2. On the Address Books tab, click New.
3. When you are prompted, Click Additional Address Books, and then click Next.
4. Click the address book that you want to add, and then click Next.

Note: You must exit and restart Outlook to use the address book that you added.

When importing the contacts make sure you are importing into the new address book.