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Step-by-Step Guide to Cloning macOS Sequoia onto an External Hard Drive

Summary: This post explains how to clone macOS Sequoia to an external hard drive. This way, you can keep the operating system, apps, and personal data safe. To make the backup easier to succeed and shorten the clone time, you can first clean up the macOS Sequoia drive with iBoysoft DiskGeeker.

Step-by-Step Guide to Cloning macOS Sequoia onto an External Hard Drive

Cloning your drive is an effective method for transferring data between computers or protecting your files. Whether you're transferring to a new Mac, upgrading to a larger disk, or simply protecting your data, you can quickly and effortlessly do it by cloning. Have you already upgraded to macOS Sequoia and want to clone macOS Sequoia to an external hard drive? This is the right post for you.

Preparing for cloning macOS Sequoia to an external hard drive

Although it sounds simple, cloning might be challenging if you don't have any help. But a minor error could destroy your important files. For flawless instructions, simply follow these steps and clone with ease. You need to make a few preparations before continuing.

Target drive: Select a target drive that can accommodate all of the source disk's data. Ideally, the target drive should be at least as large as the source drive.

Mac with macOS Sequoia installed: Have macOS Sequoia installed on your Mac before you proceed to clone. You can check the macOS version info via the Apple menu > About This Mac.

Clean up the Mac hard drive: The time of the cloning process depends on the total size of the files on the source disk. Therefore, you can first clean junk files and unwanted items on the Macintosh HD volume and then start to clone, making the process faster and easier to succeed. 

iBoysoft DiskGeeker is a good choice to clean up the Mac hard drive. Its features Clean Junk and Space Analyze help you quickly find junk files and large files on your device and enable you to collect all unwanted items and remove them altogether in one click.

Step-by-Step Guide to Cloning macOS Sequoia onto an External Hard Drive

Free download and install iBoysoft DiskGeeker to clean up the Mac hard drive!

How to clone macOS Sequoia to an external hard drive step-by-step?

Disk cloning is very different from Time Machine backup(Clone VS. Time Machine Backup) because the former enables you to duplicate not just specific files and folders but also the operating system and all installed applications. To put it another way, cloning is the process of making an exact duplicate of your current disk that you may use on a different device or, if needed, the same Mac.

Clone hard drive on macOS Sequoia with Disk Utility

To clone hard drive on macOS Sequoia, the built-in Disk Utility is what you need. First, you will need to format the external hard drive on Mac, and then you can continue to clone macOS Sequoia to an external hard drive. Let's see the detailed steps:

Restore your Mac from a clone on macOS Sequoia

  1. Shutdown your Mac and connect your external drive to Mac.
  2. Turn on your Mac and immediately press and hold Command and R keys to enter macOS Recovery Mode. 
  3. On the macOS Utilities screen, select Disk Utility, and then click Continue.
  4. Choose your Mac hard drive, and click on Restore from the toolbar.
  5. Select your external drive next to Restore From.
  6. Choose your Mac's hard drive next to Restore to and click Restore.
  7. When the restoring finishes , restart your computer.

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Step-by-Step Guide to Cloning macOS Sequoia onto an External Hard Drive

Amanda Wong

Amanda is one of the main columnists at iBoysoft. She loves exploring new technologies, focusing on macOS, Windows OS, data recovery, data security, disk management, and other tech-related issues. She takes delight in providing technical and informative articles to help people out of problems and get the utmost out of their devices.

Step-by-Step Guide to Cloning macOS Sequoia onto an External Hard Drive

Jessica Shee

Jessica Shee is a senior tech editor at iBoysoft. Throughout her 4 years of experience, Jessica has written many informative and instructional articles in data recovery, data security, and disk management to help a lot of readers secure their important documents and take the best advantage of their devices.