Thank you for your post.
FileMaker Pro, since it works on both Windows and Macintosh computers, does not integrate with Apple's Address Book application. There are some plug-ins available that provide this functionality. Performing a quick search on our plug-ins web page (http://developer.filemaker.com/solutions/) for Address Book, I found the Address Book Manipulator Plug-In by Productive Computing at:
So I can forward this request to our Development and Product Management departments, what other Mac and Windows applications integrate with Address Book application?