http://www.scrubly.com Remove Duplicate Contacts from Mac, Outlook and Google.
This video walks you through, step-by-step, selecting the Deep Scrub matching rules that are right for you.
During Deep Scrub, Scrubly processes your contacts through a series of matching rules. Each rule progressively captures more and more duplicate contact types to remove as many duplicates as possible. This video explains each Matching Rule option in detail.
Thanks for choosing Scrubly to clean up your contacts!