Easily Merge or Remove Mac Contacts Duplicates and iCloud Contacts Duplicates

2020-09-03 21:07:50 / Posted by Jose Henline to Utility Follow @ Jose

This article will show you how to merge or delete Mac Contacts duplicates, iCloud Contacts duplicates and iPhone Contacts duplicates. Mac Contacts is the address book app included with macOS. If duplicate contacts occur in this app, you may want to get rid of them. Duplicate contacts can cause inconvenience and confusion. It’s also common to see duplicates in other address book apps and contact management apps.

The easiest way to clean up duplicate contacts

Cisdem ContactsMate, the best contact manager for Mac, can automatically identify duplicate contacts and group them together for you to easily delete or merge. You can use it to effortlessly get rid of duplicate contacts in Mac’s Contacts app, iCloud, iPhone, Exchange, Google Contacts and more.

Find and remove Mac Contacts duplicates

Before you begin, download and install ContactsMate. When you open the app for the first time, it will ask for permission to access Mac Contacts. Please click OK to grant permission. And it will automatically sync with Mac Contacts.

  1. Open this duplicate contacts remover.main interface
  2. Select On My Mac in the left sidebar. Click Scan in the toolbar.
  3. Once the scan is done, the Conflict Resolution window will appear.
  4. Duplicate contacts are listed on the left side of the window, grouped by type (Exact Duplicate Contacts, Duplicate Name, etc.).duplicate contacts in Mac Contacts app
  5. On the right side of the window, select the desired solution (Merge, Delete, Edit, etc.). Click Fix or Fix All.

It's that easy to remove duplicates from Mac Contacts app. Below are three helpful tips.


There are different types of duplicate contacts. And for different types, the available solutions can be different. When selecting a specific solution, you can find a brief instruction about it under the Details section. Here's an example. The exactly identical contact entries are called Exact Duplicate Contacts. Select a contact in this group, choose Delete as the solution and click Fix All. And the useless duplicate versions will be deleted all at once.

Type of duplicates Actions
Duplicate name




Exact Duplicate Contacts

Delete duplicate contacts


Before you click the Scan button (as in Step 2), if needed, you can set this app to only look for specific types of duplicates and ignore others. From the menu bar at the top your Mac's screen, select Cisdem ContactsMate > Preferences > Conflicts.

Before you make any changes (such as duplicates removal) to your contacts, it's always a good idea to make a backup of your contacts first. Here's how. In the Preferences window, choose the Backup & Restore tab, select On My Mac (or a different source) and click Backup.

Find and remove iCloud Contacts duplicates

  1. In the same app, 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.Internet Accounts window
  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 change immediately.

Find and remove iPhone Contacts duplicates

  1. On your iPhone, tap Settings > (your name) > iCloud.
  2. 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 part above.


Alternative methods to delete duplicate contacts on Mac

Use AddressBook Cleaner

AddressBook Cleaner is a duplicate contacts remover app. To keep your Address Book clean and contacts unique, this app will help users get rid of duplicate contacts. With this tool, getting rid of Mac contacts duplicates becomes easy. It will help you find out all the duplicates matched various situations and mark the ones unwanted automatically. So you can remove duplicate contacts easily.

1. Download and install AddressBook Cleaner. Launch it.

2. A message will pop asking for access to your Mac contacts. Click OK. It will start importing your contacts to your app.

3. In the Match Conditions window, select conditions according to your need. First Name and Last Name are selected by default.

Select a contact group if needed. By default, the cleanup will be applied to all contacts.

4. Click Okay to find out duplicated contacts automatically after you specify the filter conditions.

5. In the results window, you can click Delete in the toolbar to remove all duplicate contacts. Also, you can manually delete them one by one.

AddressBook Cleaner


  1. Find all the contacts which match the predefined fields, and mark the ones to be remove
  2. Support 7 languages including English, Italiano, etc.


  1. Sometimes the sync process is going wrong somewhere along the line and creating duplicate lists of some contacts. You have to take time to find and delete the duplicate contacts by hand

Use Contacts Cleaner

Contacts Cleaner is a decent application that will go through your contacts and sensibly merge, delete and clean up your contacts. It has an easy to user interface. Users can find duplicated contacts and fields and remove duplicate contacts Mac using it. In addition, with this useful application, Contacts can be changed individually or by checking the "fix all similar" box. Anything with the same issue will be fixed in one go.

1. To get started, you need to download Contacts Cleaner, this application doesn’t allow user to try it for free. You need to pay money so that you can download it. After downloaded, it will be installed on your Mac automatically. It is convenient.

2. When you run this application on your Mac, it also will ask you to sync with your Contacts. You need to sync with Contacts, so that you can finish the next step.

3. Next, you need to find duplicate contacts on your Mac. Contacts Cleaner provides multiple conditions for users to choose, you can check on or more condition. And click “OK”, it will start to scan.

4. Wait a minute, you will get results. It will list duplicate contacts for you, you can click “Merge contacts” to merge the duplicate contacts.

Solutions Three to Merge or Remove Duplicate Contacts on Mac


  1. Does a good job of finding and merging duplicate contacts
  2. Can also fix contacts problems such as invalid characters and formatting errors


  1. Currently doesn’t support Exchange or CardDAV

Use Address Book Clearout

Address Book Clearout can straighten out your contacts, clean up data issues and quickly finds and highlights duplicates to help you merge and eliminate redundant and out-of-date information with a simple but powerful interface, and not only remove duplicates, but find those cards that you put in at different times for the same person. With this application, you can easily find, merge or remove duplicates.

1. Download the app first. This application also not support downloading for free, you need to pay some money for it so that you can try it. And after downloaded, it also will be installed on your Mac automatically.

2. Then you need to set a connection between Contacts with this tool so that you can sync with macOS Contacts.

3. Next, using this application to find contacts duplicates, after a while, it will send a duplicate scan reports for you.

You can view duplicate scan reports, and click each contact to view details. Then you can choose to remove multiple contacts by one click.

Solutions Four to Merge or Remove Duplicate Contacts on Mac


  1. Clean and easy-to-use interface
  2. Find duplicate contacts quickly


  1. Can freeze unexpectedly, which is rare. Users can send crash reports to the developer. They are very responsive.

Use Contacts Cleanup

Contacts Cleanup is an easy-to-use application that can help users to find and merge the duplicate contacts into a single contact. User can solve three conflicts by using this application, including duplicate contacts, duplicate phones, and duplicate emails. If you use this tool, contacts deduplication is no longer a difficult task.

1. This app is available on Mac App Store, so this application also doesn’t support trying for free. You need to purchase. And all of applications download from Mac App Store will be installed automatically.

2. Next, you need to sync with Contacts. It is a key step that had to be satisfied.

3. This tool also provides many screening conditions for users, you can check the condition you want, one or more. Then it will scan your Contacts to find duplicate contacts on Mac.

4. After finding duplicate contacts, the next thing you should do is merging. You can click “Merge Contacts” to finish it.

contacts cleanup mac


  1. Also allows users to back up contacts
  2. Very cheap


  1. Sometimes crashes



Managing duplicate contacts can be a pain, especially when you have a huge list of contacts. The method recommended in this article is easy to follow and versatile. In addition to Mac Contacts duplicates, it 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.

Most Popular Downloads

Duplicate Finder for Mac

Find and remove duplicate files like MP3, Songs, Images, Photos, etc. that waste valuable space on your hard disks.

Learn More

AppCrypt for Mac

Lock app and block distracting websites on your Mac so you can get your work done and share your Mac safely.

Learn More

Hot Articles

  • How to Sync Contacts to Gmail for Backup

    Many users don’t know how to sync contacts to Gmail for backup. This article will show you how to sync your Mac, Android phone , iPad and iPhone contacts to Gmail.

  • How to Add Contacts to Gmail?

    Many Gmail users are looking for answers online about how to add contacts to Gmail. In fact, adding contacts to Gmail is the same as adding contacts to Google Contacts. How to add contacts to Gmail? This guide will show you 5 ways to add contacts to Gmail or Google Contacts.

  • How to Import Contacts into Outlook?

    We can store our contacts through many channels, like iPhone, mac and some media applications. With my situation, I prefer to manage all of my contacts at one place, it will be very easy to call, message or email someone. In order to make email be convenient, this article will introduce how to import contacts into outlook.

3 Comments Leave a Reply

  • 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.

    4 years ago REPLY
  • Martinez

    Very comprehensive article. Tks ~

    4 years ago REPLY
  • 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.

    4 years ago REPLY