How to Delete Duplicate Contacts on Mac (Catalina Included)

Jose Henline
time April 25, 2020 Preview 7.1K
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People always make a variety of friends, they might be the old couple met in the journey, they also might be your business partner knew in the cooperation. Anyway, you will keep their contacts information, this is routine. Accumulating through long years, duplicate contacts inevitably appear in your Contacts. How to delete duplicate contacts on Mac? This is a problem for deserving discussing.

For some people, removing duplicate contacts sounds not simple. Don’t worry, you need to choose the best contacts manager firstly. According to popular usage, Cisdem ContactsMate can help you to delete duplicates effectively. This article will show you an easy way of using contact manager.

Step 1. Install Cisdem ContactsMate on your Mac

Cisdem ContactsMate for Mac is a contact management software that will find and remove duplicate contacts quickly and efficiently. And this app also can export Mac Contacts to CSV, vCard, TXT, Docx, HTML, Excel, Numbers, and Pages format for easy Contacts back up or sync.

Free Download

Download Cisdem ContactsMate for Mac

Step 2. Sync with macOS Contacts

After installing the app to delete duplicate contacts, you need to run it and sync with the Contacts app. It will ask you to allow it to access your Contacts. Click OK, and your contacts will be synced successfully.

ask for access

Step 3. Scan for duplicate contacts

From the sidebar on the left, select a group of contacts from which you need to remove contacts duplicates and click the Scan button in the toolbar.

click Scan

Step 4. Merge or delete duplicates

Once the scan is finished, the Conflict Resolution window will show up. The left sidebar lists different types of duplicate contacts such as Duplicate name and Exact Duplicate Contacts. For each type, the available Solutions can be different. You can easily merge, edit or delete duplicates. Click Fix or Fix All to start fixing.

duplicate contacts


In Preferences, you can easily set this contact manager for Mac to search for or ignore certain types of duplicates when scanning. From the menu bar at the top of your screen, select Cisdem ContactsMate > Preferences. Under the Conflicts tab, select or deselect based on your preference.


Jose Henline
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Jose specializes in reviews, how-to guides, top lists, etc. on PDF, data recovery and multi-media. On his spare time, he likes to travel or challenge some extreme sports.

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