Erasing a disk or volume permanently deletes all of its files. Before continuing, make sure that you have a backup of any files that you want to keep. ![]()
If unable to unmount drive on Mac. With High Sierra. You can preview the recover data from APFS Volume on Mac after the deep scan. M3 Data Recovery 6.0 Crack is a powerful Mac data recovery software works well to recover deleted files on Mac, recover emptied Mac Trash, recover lost files from formatted drive, unmounted drive, unreadable drive, lost/deleted APFS partition. It supports many file system formats including encrypted APFS drives. It has the ability to recover files deleted.
How to erase a disk
Proceed based on whether you're erasing your startup disk or some other disk. Your startup disk is the disk (volume) that your Mac started up from. By default it's the disk built into your Mac, named Macintosh HD. If you're selling, giving away, or trading in your Mac, you should erase your startup disk.
Erase a startup disk![]()
![]() Erase some other disk
The steps above also work when erasing a storage device that you're not using as a startup disk. However, in that case it's not necessary to open Disk Utility from macOS Recovery: you can instead open it from the Utilities folder of your Applications folder. And you don't need to delete data volumes first: just select your disk in Disk Utility, then click Erase.
How to change the partition map (scheme) of a disk
In some circumstances, you might need to change the partition map (scheme) while erasing. If you're following instructions that require choosing a scheme, the steps in Disk Utility differ from the steps above.
Why erase a disk
You can erase a disk or volume at any time, including in circumstances such as these:
About APFS and Mac OS Extended
Disk Utility in macOS High Sierra or later can erase most disks and volumes for Mac using either the newer APFS (Apple File System) format or the older Mac OS Extended format, and it automatically chooses a compatible format for you.
Identify the current format
If you want to know which format is currently in use, use any of these methods:
Choose between APFS and Mac OS Extended
If you want to change the format, answer these questions:
Are you formatting the disk that came built into your Mac?
If the built-in disk came APFS-formatted, don't change it to Mac OS Extended.
Are you about to install macOS High Sierra or later on the disk?
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?
Choose Mac OS Extended (Journaled) for any disk that you plan to use with Time Machine or as a bootable installer.
Will you be using the disk with another Mac?
If the other Mac isn't using High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don't mount APFS-formatted volumes.
Disk Utility tries to detect the type of storage and show the appropriate format in the Format menu. If it can't, it chooses Mac OS Extended, which works with all versions of macOS.
If your disk doesn't appear in Disk Utility
If Disk Utility doesn't show a sidebar, choose View > Show Sidebar from the menu bar.
If Disk Utility shows the sidebar, but your disk doesn't appear within it, disconnect all nonessential devices from your Mac. 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. If your disk still doesn't appear, your disk or Mac might need service. Learn how to get your Mac ready for service.
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