What is CoreSync on Mac? How to Fix Core Sync High CPU Usage

Are you one who also faces a slow computer whenever you use your Mac to run programs or any other things? Well, you are not alone. It is probably because of the high Core Sync CPU usage. As a Mac user, it is a very common issue because the Adobe Core Sync is running in the background.

If you are new to using Mac, you probably don’t know what CoreSync on Mac is. It is a creative cloud app that allows your Mac to optimize its speed and performance in a greater way. Core Sync runs in the background of your Mac. If you are the one who doesn’t know what CoreSync is and how to fix it. Then don’t worry, in today’s guide, I will explain what CoreSync is and what to do if it shows Core Sync High CPU Usage. Keep on reading!

What is Core Sync on Mac?

A lot of you might confuse that what Core Sync is, and what its use of it. The CoreSync is a component of the Creative Cloud desktop app and a part of its installation. It is already comes installed with most Adobe software. CoreSync is actually a tool that allows syncing data between your Mac and Creative Cloud by enabling transitions between computers.

What CoreSync do is sync all your documents safely with their servers, if anything happens to your computer like it turns off or crashes or is corrupted, then you can definitely recover all your data without losing anything. In short, the coreSync as Core Synchronizer is an executable file.

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Why is Core Sync showing high CPU Usage?

When you download Adobe’s Creative Cloud, it will run in the background, and performs all the tasks like it enables users to create, view, edit, and print files in PDF. While it is just an app that runs on your Mac in the background, it still takes up some CPU when syncing folders with the Creative Cloud.

However, some Mac users experience some issues while using Adobe Creative Cloud. It turns out that Core Sync sometimes uses high CPU usage, even when it is inactive.

You must be wondering what happens when Core Sync uses a high CPU? High CPU usage provides your Mac with some the issues like loud noise of the fan, unwanted electricity consumption, unwanted heating of your Mac, battery loss, and many more.

So, this is the reason why you’re Mac works slow or might have issues with your Mac. To solve this problem, what you can do is turn off the Core Sync process. If you don’t know how don’t worry. Here, I am going to show you how you can fix the issue with Core Sync using High CPU usage.

How you can Fix Core Sync High CPU Usage on Mac:

To fix your issue with high CPU usage, you have to disable Core Sync background processes on macOS caused by Adobe Creative Cloud’s Core Sync Helper. Follow the given below steps to disable Crore Sync on your Mac. It will definitely allow your Mac to run any programs more smoothly. Here is how you can do that:

  1. First, you have to close all the Adobe applications on your Mac system. Close the Creative Cloud desktop app as well as close other Adobe apps like Photoshop or Illustrator, even if they are not running in the background on your system.
  2. After, open the System Preferences and then go to Extensions.
  3. Click on the Core Sync icon, and then untick it if it is not already unchecked.
  4. The Finder extension Core Sync Helper causes problems with Corkscrew, so turn it off and see if your macOS is running properly or not.
  5. If you want to enable Core Sync again, then just check the icon you just unchecked.
  6. Now, you know how to enable or disable Core Sync on your Mac.
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End the running Adobe Processes on Mac:

You can also end the running of Adobe Processes on your Mac system. Ending the Adobe Processes allows you to solve the Core Sync 100% CPU usage issue. Follow the given steps:

  1. At the very first thing, you should open Activity Monitor. Go to /Applications/Utilities/ and open Activity Monitor.
  2. Now that we have gone through all of the processes it is time, we look at what is the process is going on behind the scenes. To do this click on your views menu and select All Processes from there.
  3. In the search field, type Adobe.
  4. Select all the processes with Shift pressed down.
  5. Now press the X button in the toolbar from the left side.
  6. Multi-Selecting on macOS was once an easy task, but with the new operating system, it has become more difficult. To multi-select in this situation, you will need to use one button at a time and not all of them together.
  7. After that, you just have to press the Quit button.
  8. Once all the processes are closed, do not relaunch it again.
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Core Sync is one of the amazing programs that comes installed with the Adobe app. Core Sync is related to Adobe Creative Cloud, so it’s a 100% safe file. However, frustration started when CoreSync used high CPU usage on your Mac. This will also take us to face many issues like slow performance and battery draining, and more. So, the one thing you can do is, remove Core Sync from your Mac. In this article, I have shown you how to disable and enable CoreSync from your system. I hope, this guide helped you finally solve the issues with Core Sync and allows your Mac to work more smoothly and healthily than ever.