Format hard drive mac without disk utility

View All Products. This blog post shares a few easy methods to format a Mac storage drive in the desired file system, without the risk of data loss. Read on to know how you can erase a Mac storage drive easily with the help of Disk Utility and Terminal. Also, learn about the risks and how to overcome them effectively. As you are aware, an internal or external Mac storage drive requires formatting to work properly.


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You may need to format a Mac drive or volume in the following situations:. Before formatting, back up the Mac start-up drive to an external storage medium to ensure that no data is lost in case of unexpected events. You can use the Time Machine backup. Provide the Name , Format , and Scheme in the respective field then click Erase.

Accessing Disk Utility

You can use the above steps to format an external storage drive as well. But, sometimes Disk Utility throws an error while erasing an external storage drive. In that case, you can format the external drive on Mac by using Terminal, as described below:. How to recover data from an accidentally formatted Mac hard drive?

How to Format Your Mac Hard Drive without Data Loss?

Data loss can happen to any of us. Further, Disk Utility does not provide any option to undo format. But you can get back your formatted data from the Mac hard drive by using a Mac hard drive recovery software, as explained next. To save the recovered files, activate the software. To save the recoverable files, you need to activate the software.

Below is a more generic answer.

The software saves the recovered data from the formatted storage drive to any location of your choice. You can visit the save location to verify your recovered data. When you connect a corrupt or unreadable drive to your Mac, macOS will prompt you to initialize the disk.


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  • DO NOT click the Initialize button if the disk contains vital data, instead click Ignore to overlook the error or click Eject to eject the storage drive. Recover the inaccessible data from the storage drive by using a Mac hard drive recovery software prior to initializing it to the right file system. For a new drive with no file system or the unreadable drive whose data is recovered, click the Initialize button on the error message box.

    In the Disk Utility window, perform the erase operation to initialize the disk with automatically chosen file system format. The blog post shared simple methods to format Mac start-up drive and external drive with a compatible file system without losing data.


    • Format an External Hard Drive or USB Flash Drive for Mac OS X;
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    • The best way is to back up the drive and use Disk Utility to format it. In case Disk Utility fails to format the drive, advanced users can use Terminal to perform the same task. However, be cautious while using the Terminal commands. Stellar Data Recovery Professional is specialized software that can help you salvage the data from accidentally formatted Mac hard drives.

      Only APFS-formatted disks show containers. If your disk doesn't appear in Disk Utility, disconnect all nonessential devices from your Mac.

      How to fix MAC OSX Hard Drive formatting issue 2018

      If the disk is external, leave it connected, but make sure that it's turned on and connected directly to your Mac using a good cable. Then restart your Mac and try again. You can erase a disk or a volume on that disk at any time, including in circumstances such as these:.

      Are you formatting the disk that came built into your Mac? Are you about to install macOS High Sierra or later on the disk?

      Repairing Mac External Hard Drive without Disk Utility | Mac Data Recovery Blog

      If you need to erase your disk before installing High Sierra or later for the first time on that disk, choose Mac OS Extended Journaled. During installation, the macOS installer decides whether to automatically convert to APFS—without erasing your files:. Are you preparing a Time Machine backup disk or bootable installer? Will you be using the disk with another Mac? Disk Utility tries to detect the type of storage and show the appropriate format in the Format menu. Open Menu Close Menu Apple. How to erase a disk for Mac Use Disk Utility to erase format a hard disk, flash drive, or other storage device for Mac.

      How to erase a disk Disk Utility can erase disks, add volumes, check disks for errors, and more.