After looking for something similar, I found a way :
1. Install CBJuice and export your database. You will get a csv file, with all the information it contains.
2. Use one of the many software to convert csv to vcard.
I recommend
csv2vcard.sourceforge.net/ (running on linux) or
homepage.mac.com/phrogz/CSV2vCard_v2.html. These software allow you to remap all fields and drop the unused ones.
Hope it helps!
Victor
Post edited by: svictor, at: 2010/02/18 12:01