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How to Fix iCloud Contacts Not Syncing to Mac Problem

In this how-to guide, you will find ways to fix the iCloud contacts not syncing to Mac (macOS High Sierra included) problem. iCloud provides the best solution to manage contacts for users of iOS devices, Mac or Windows PC. Once you make a change on one of your devices or computers, Contacts will update automatically. However, sometimes Contacts can’t sync properly, which is not uncommon. Many iCloud users have been reporting iCloud contacts not syncing to Mac and problems alike to Apple and looking for ways to fix them on forums. Some have turned to official Apple support for help but sometimes in vain. Hopefully the methods in this guide will be of some help to you.

Backup Your Contacts, So You Don’t Lose Anything

Before you fix the iCloud contacts not syncing to Mac issue, it’s important to make a copy of your contacts, which will prevent you from losing the information you have stored.

How to Backup iCloud Contacts

To export iCloud contacts on Mac, it’s recommended to use professional Mac contact manager Cisdem ContactsMate which can:

  • Import contacts from CSV and vCard, and sync contacts from iCloud, Google, Exchange, Facebook, Twitter, LinkedIn, etc.
  • Allow users to view, add, edit, group, tag and manage contacts
  • Delete duplicate contacts and fix formatting errors
  • Quickly backup, export and share contacts

1. Download and install Cisdem ContactsMate on your Mac. At the top of the interface, you will find a toolbar where you click Add Account to add your iCloud account.

cisdem contactsmate user interface

2. A window will pop up (as shown below). Select iCloud and sign in with Apple ID. Agree with the iCloud terms and conditions. iCloud account will then appear in the account list on the left of the interface.

cisdem contactsmate internet accounts

3. Select Contacts and sync iCloud contacts. If you also need to sync other contents such as Calendars, just select the checkbox.

cisdem contactsmate add icloud account

4. Your iCloud contacts are in Cisdem ContactsMate now, and you can manage them as you like. To backup iCloud contacts on Mac, just click Export and choose to export iCloud contacts to CSV or any other desired option available as the output format. It’s recommended to follow the steps to backup your contacts before you fix the syncing problem.

cisdem contactsmate export contacts to csv

5 Methods to Fix the iCloud Contacts Not Syncing to Mac Problem

Things to Do Before You Fix iCloud Contacts Not Syncing to Mac

  • Make sure that your Mac is updated to the latest version of macOS which is currently macOS 10.13 High Sierra.
  • Make sure that you have an active Wi-Fi or internet connection.

Method 1

1. Go to Apple menu > System Preferences > iCloud and check your Apple ID. Make sure that you use the same Apple ID on your iCloud, Mac and iOS devices.

mac system preferences

2. Go to Apple Menu > System Preferences > iCloud and make sure that the Contacts option is turned on. If the option is already selected, just unselect it and then select it again.

icloud contacts

3. Restart your Mac the way you prefer. You can press the power button and then click the Restart button or simply press Control+Command+Eject.

If the iCloud contacts not syncing to Mac issue still exists, you can check out the methods below.

Method 2

1. Go to Apple menu > System Preferences > iCloud.

2. Turn off Contacts syncing.

3. Wait a while and turn on the syncing option.

This method is also recommended by some Apple advisors. You can try it out. If this doesn’t help, you can move on to see the following methods.

Method 3

1. Go to > Settings > Advanced Setting (on the bottom of the screen) > Restore Contacts.

icloud advanced settings

2. Restore your contacts from the backup, and then all your contacts will appear on iMac.

With this solution, it’s especially important to backup your contacts so that you don’t lose any information.

Method 4

1. Close the Contacts app on your Mac.

2. Go to Library > Application Support. The Home/Library folder is hidden. To make it visible, go to Home folder > View > Show View Options and select Show Library Folder.

library folder

3. Rename your AddressBook folder. Open the Contacts app. And a new AdressBook folder will be created. Now it should sync properly. If everything works alright, just delete the renamed folder.

Method 5

1. Backup iCloud contacts. If you have no idea how to do it, please follow the guide in the first part of this article.

2. Go to > Contacts. Delete all contacts from

icloud delete contacts

3. Wait a while, and your contacts will disappear from your iOS devices.

4. Import the backup of your contacts into

Please note that if you use this method all your Contact pictures will disappear.


The methods and tips above are the common solutions to fix iCloud contacts not syncing to Mac. Not all mentioned solutions are helpful to everyone. You can use the one that suit you best. No matter which method you use, it’s important to backup contacts from iCloud to Mac with Cisdem ContactsMate. By the way, this syncing problem is not new. The best solution is for Apple to fix it permanently. Are these methods useful? Welcome to leave a comment below and share your thoughts.

2018-03-01 03:31:07 / Posted by to Contact Manager Mac Follow @ Rosa

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