Quote:Cisdem ContactsMate (was Contact Manager) is a great contacts manager. It allows you to backup everything in Contacts; edit the Contacts fields; find, analyze, report, and fix dozens of problems with OS X Contacts; and export your address book to CSV, vCard, TXT, DocX, HTML, Excel, Numbers, and Pages formats for easy Contacts backup or sync.
Features
Import Contacts
Easily view, add, edit, group, tag, and manage contacts
Delete duplicate contacts, fix formatting errors
Share, export and back up contacts to quickly exchange information
Supported Operation Systems
macOS 10.11 or later