Easy Ways to Remove or Merge Mac Contacts Duplicates

Jose Henline
time November 23, 2020 Preview 30.7K
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This article mainly talks about how to merge or remove Mac Contacts duplicates. Apple Contacts is an address book app included with macOS, iOS and iPadOS. As with any address book app or contact manager app, there can be duplicates in Mac’s Contacts app. Duplicate contacts can cause inconvenience or confusion. Luckily, there are 3 duplicate contacts removers to help you get rid of them easily and quickly.

Method 1. Merge Mac Contacts duplicates with the built-in feature

Mac Contacts app itself offers a feature for users to handle duplicate contacts. With this built-in method, three facts are worth noting. It provides only one option to deal with duplicates: Merge. It will find and merge duplicates in one go. It won’t let you know which contacts have duplicate cards. Therefore, you have little control over the process.

I wish you could review before merging, just in case. ― From a Mac user

If you want to have more control and options, you can check out the second method.

Below is how this one works.

  1. On your MacBook Pro, MacBook Air, or iMac, etc., open the Contacts app.
  2. From the top menu bar, select Card > Look for Duplicates.look for duplicates
  3. A window will pop up, informing you of how many duplicates will be merged. Click Merge.click merge
  4. Repeat the previous two steps until no duplicates are identified.

Method 2. Merge or remove Mac Contacts duplicates with ContactsMate

Cisdem ContactsMate, the best contact manager for Mac, lets you easily find duplicate contacts and view the found duplicates and provides a number of options to manage them such as Merge, Delete, Edit and Ignore.

  1. Download Cisdem ContactsMate and install it.

Free Download

  1. When you open it for the first time, it will ask for access to your contacts. Click OK.click OK
  2. In the app, select On My Mac in the sidebar. Click Scan.click scan
  3. In the Conflict Resolution window that appears, duplicate contacts that are found are listed, grouped by type. Select a contact in a type and choose a desired solution.select a solution to remove duplicate contacts on Mac
  4. Click Fix or Fix All.

If you open Mac Contacts, you will find that the changes are automatically synced and the duplicates are gone.

Below are some tips.

Tip 1. Learn more about removing duplicates from Mac Contacts

As you can see, this method can find various types of duplicate contacts such as Exact Duplicate Contacts, Duplicate Name and Duplicate Phone Numbers in a Single Contacts. For different types of duplicates, the available solutions can be different.

If needed, you can tell the app to include or ignore a specific type when it scans for Mac Contacts duplicates. From the top menu bar, select Cisdem ContactsMate > Preferences. Go to the Conflicts tab. Select or deselect based on your need. Select On My Mac in the sidebar and click Scan.

Conflicts tab

If you need to back up your contacts before removing duplicates, this app can also help. In the Preferences window, go to the Backup & Restore tab. Choose On My Mac and click Backup.


Tip 2. Find and remove iCloud Contacts duplicates

  1. In ContactsMate, click Add Account in the toolbar.
  2. Select iCloud on the left side of the Internet Accounts window. Sign in to it.
  3. Make sure you select the box before Contacts as shown in the screenshot. Quit ContactsMate and relaunch it.select the box before Contacts
  4. Now you should find the iCloud group in the left sidebar. Select it.
  5. Click Scan and complete the rest of the process.

Once the removal takes place, iCloud Contacts (Apple’s web-based address book) will automatically detect and sync the changes right away.

Tip 3. Find and remove iPhone Contacts duplicates

  1. On your iPhone, tap Settings > (your name) > iCloud.
  2. Turn on Contacts.turn on Contacts
  3. Tap Merge when asked if you want to Merge or Cancel.
  4. On your Mac, follow the steps in the iCloud tip above.

Method 3. Use AddressBook Cleaner to Delete Mac Contacts duplicates

You can also delete duplicate contacts using a dedicated Mac Contacts duplicate remover like AddressBook Cleaner. Designed to help users avoid duplicate contacts, it can help keep your contacts list clean and organized.

  1. Download and install AddressBook Cleaner. Launch it.
  2. When asked to allow its access to contacts, click OK.access to contacts
  3. It will automatically load contacts from Mac's Contacts app.
  4. In the Match Conditions window, select conditions according to your need. First Name and Last Name are selected by default.Match Conditions window
  5. Now it will list all the found duplicate contacts based on the default or custom conditions. In the Show Contact Details view mode, you can easily view contacts’ information.
  6. Duplicate entries will be marked as Delete. Now click Delete in the toolbar to eliminate them.

It also lets you manually mark an entry as Delete or Keep. Clicking the Delete mark will make it a Keep mark, and vice versa.

To prevent data loss, this duplicate contacts remover will automatically back up your contacts before deleting, which can be helpful.


Managing duplicate contacts can be a pain, especially when you have a huge list of contacts. The methods talked about in this article are easy to follow. In addition to Mac Contacts duplicates, the second method can also eliminate duplicate contact entries in many other sources. It takes into consideration all possible types of duplicate contacts and offers useful solutions to handle them efficiently and effectively. There are also other useful features that can help you manage and organize your contacts.

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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Comments (3) Leave a Reply

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  • Tobias

    I have 200 contacts in my Contacts, and i don't how many duplicates are there. I will try these apps to remove duplicate contacts and make my Contacts perfect.

    5 years ago Reply

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  • Martinez

    Very comprehensive article. Tks ~

    5 years ago Reply

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  • Lefebvre

    It is surprising that I have over 50 duplicate contacts in my address book. Thanks for the powerful tool from cisdem. It worth its price.

    5 years ago Reply

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