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Partition external hard drive mac without losing data

#Partition external hard drive mac without losing data how to#
#Partition external hard drive mac without losing data for mac#
#Partition external hard drive mac without losing data mac os#
#Partition external hard drive mac without losing data install#
#Partition external hard drive mac without losing data upgrade#

#Partition external hard drive mac without losing data for mac#

*The trial version of Stellar Data Recovery Professional for Mac software can scan the media and show preview of recoverable files.

#Partition external hard drive mac without losing data install#

Perform the following steps:ĭownload and install the *trial version of Stellar Data Recovery Professional for Mac on your Mac mini, MacBook, or iMac. But you can get back your formatted data from the Mac hard drive by using a Mac hard drive recovery software. And, Disk Utility doesn’t provide any option to undo the format. Recover Data Lost due to Accidental Formattingĭid you accidentally format a wrong hard drive on your macOS? Or erased the Mac external storage drive without backing it up in the first place?ĭata loss can happen due to accidental formatting. Now, you can restore the backed up data to the storage medium. When the process completes, Disk Utility erases the storage drive to the correct file system format. Here, replace the FS with the required file system format, DN with the name of the drive, and D# with the drive’s identifier. Ensure you have backed up all the data from the external drive. Note the name and identifier of the external storage drive.

In the Terminal window, type diskutil list.

Type ‘ terminal’ and hit Return to launch the Terminal application on your macOS.

Press Command + Space Bar to open Spotlight.

In that case, you can format the external drive on Mac by using Terminal, as described below: But sometimes Disk Utility throws an error while erasing an external storage drive. To format Mac external storage drive or non-boot volume, you can open Disk Utility directly from Desktop and perform the erase operation. Format a Mac External Hard Drive Using Terminal

#Partition external hard drive mac without losing data how to#

Video can’t be loaded because JavaScript is disabled: macOS Tutorial | How to Format a Mac External Hard Drive on macOS Big Sur () 3.

Release the keys once you see the Apple logo or spinning globe. Once you’ve backed up your Macintosh HD by using Time Machine, perform the following steps to format your startup disk and reinstall macOS:ġ- Restart your Mac and immediately press and hold Command + R keys. So, you need to boot your Mac in macOS Recovery mode to access the startup disk and erase it using Disk Utility. But you can’t format the startup disk while your macOS is running.

#Partition external hard drive mac without losing data upgrade#

If you want to reinstall macOS or upgrade your macOS, you need to format your Macintosh HD startup disk. Format the Startup Disk in macOS Recovery Mode Read More: How to Set Up Time Machine on Mac 2. If you haven’t set up your Time Machine backup drive, you can set up the drive now. And, for Macintosh HD, the startup disk, you can use Time Machine to back up your macOS as well as its stored data. For an external or non-boot volume, copy all your valuable files and folders, and paste them to another external storage device. Back Up Your Mac Hard Drive before Formattingīefore erasing your Mac hard drive be it internal or external, you must back up the drive to ensure zero data loss. The next section discusses the correct way to format your Mac storage drive without data loss. DO NOT click the Initialize button unless it’s a new drive or you have recovered data from it. So, you end up losing your data.Īlso, when you connect a corrupt or unreadable external storage drive to your Mac, macOS will prompt you to initialize the disk. When your Mac storage drive has stored data on it, and you accidentally erase the drive in a new file system format, macOS removes all references to the data.

Perfecting the storage drive in case Disk Utility fails to repair itīut storage drive formatting involves certain risks.

Changing the file system format for cross-compatibility.

Resolving corruption or unreadable error of the storage drive.

Preparing the startup disk to reinstall macOS.

You may even need to manually format your internal or external Mac storage drive or volume in the compatible file system.

MS-DOS (FAT) or exFAT format to make your external storage drive cross-compatible with both macOS and WindowsĪ new Mac with its built-in solid-state drive or hard drive comes pre-formatted with a file system that contains the macOS.

#Partition external hard drive mac without losing data mac os#

Mac OS Extended format for macOS Sierra 10.12 or earlier.APFS format for macOS Big Sur 11, Catalina 10.15, or Mojave 10.14.Different file system formats exist for different operating systems. Recover Data Lost due to Accidental FormattingĪn internal or external Mac storage drive requires compatible files system format to be accessible in macOS. Format a Mac External Hard Drive Using TerminalĤ. Format the Startup Disk in macOS Recovery Modeģ. Back Up Your Mac Hard Drive before FormattingĢ. Download the free-to-try Mac data recovery software to recover your erased hard drive data. The blog post shares a few safe methods to format your Mac hard drive in the desired file system format, without the risk of any data loss.