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In Disk Utility on Mac, you can erase and reformat storage devices to use with your Mac. Erasing a storage device deletes everything on it. Important: If you have any files you want to save, copy them to another storage device before erasing a device.
- Resize a disk image using Disk Utility on Mac - Apple Support
Convert a disk image to another format; Resize a disk image;...
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If you have a Mac with Apple silicon or an Apple T2 Security...
- Erase your Mac and reset it to factory settings - Apple Support
Use Erase All Content and Settings to quickly and securely...
- Use Disk Utility to erase an Intel-based Mac - Apple Support
Format: APFS or Mac OS Extended (Journaled), as recommended...
- Resize a disk image using Disk Utility on Mac - Apple Support
- Overview
- Use Erase All Content and Settings
- If you can't use Erase All Content and Settings
Use Erase All Content and Settings to quickly and securely erase all settings, data, and apps, while maintaining the operating system currently installed.
Erase All Content and Settings is available only in macOS Monterey or later, and only on a Mac with Apple silicon or a Mac with the Apple T2 Security Chip. If this feature isn't available or doesn't work on your Mac:
•To both erase your Mac and reset it to factory settings, follow the steps in what to do before you sell, give away, or trade in your Mac, but disregard the instructions for using Erase All Content and Settings.
•To only erase your Mac without resetting it to factory settings, learn how to erase a Mac with Apple silicon or erase an Intel-based Mac.
•When using Erase All Content and Settings, if you see a message explaining that other volumes need to be erased before you can erase all content and settings, you might have used Boot Camp to install Microsoft Windows. In that case, use Boot Camp to remove Windows and its partition.
If you need help, contact Apple Support.
No matter the model or condition, we can turn your device into something good for you and good for the planet: Learn how to trade in or recycle your Mac with Apple Trade In.
Sep 27, 2024 · Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility. Click Erase Volume Group. If this button isn't shown, click Erase instead. If asked, enter your Apple Account information. Forgot your Apple Account?
Nov 8, 2021 · Set up your reformatted MacBook Pro to your specifications. Transfer the files saved on your external hard drive or flash drive to the computer.
Oct 26, 2023 · Mac computers have a built-in application for managing disks, helpfully called Disk Utility. It can rename, format, and wipe any connected drives, as well as create and restore backup images. It's a great option for wiping drives, no matter if it's external storage or your Mac's internal drive.
- Justin Pot
- Former News Editor
You can use the diskutil eraseDisk command to format a hard drive. Run the following command, be sure to make adjustments for your drive. Replace JHFS+ with any file system you need (check the chart above for a list of file systems you can use). Replace CleanDrive with the new name for your formatted drive.
Jan 27, 2018 · Here's how to format a drive using a Mac - including how to format a drive for Windows and Mac so the contents can be read on both platforms, and what format to use for Time...