Yes - you can use a single Contacts Folder.  If you have many at present,
select all people in the folder and drag them to the single folder you wish
to keep.

Then delete each of your extra folders (which are now empty).

You can use Categories for Contacts rather than a lot of folders.

Judy Gleeson [MVP Outlook]
Acorn Training and Consulting
www.acorntraining.com.au

Everyone - turn on your Advanced Toolbars and learn how to use the Field
Chooser and Group by Box!!