How do I clear all volumes on my Mac?
Do one of the following:
- If the APFS volume you want to delete is a member of a volume group, click the Delete Volume Group button to delete all volumes in the group, or click the Delete button to delete only the selected volume.
- Click the Delete button to delete the selected volume.
How do you delete other volumes in container Mac Mojave?
3. Delete the extra volume
- Open Disk Utility on your Mac.
- Select the APFS Volume you want to remove.
- Click the Delete Volume button ‘—’ in the toolbar. If the button is dimmed, the selected volume is in use, which means you can’t delete it. To delete this volume, you need to enter Disk Utility in macOS Recovery.
How do I format a disk on Mac?
How to format an external drive in OS X
- Connect the drive to the Mac.
- Open Disk Utility.
- Select the drive you want to format.
- Click Erase.
- Give the drive a descriptive name and leave the default settings: OS X Extended format and GUID partition map.
- Click Erase and OS X will format the drive.
How do I erase a volume on my MacBook Pro?
In the Recovery app window, select Disk Utility, then click Continue. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar. Type a name for the volume in the Name field, click the Format pop-up menu and choose APFS, then click Erase Volume Group.
How do I erase and reinstall macOS Big Sur?
Type a name for the volume in the Name field, click the Format pop-up menu and choose APFS, then click Erase Volume Group. When the erase process is complete, click Done, then choose Disk Utility > Quit Disk Utility. In the Recovery app window, select “Reinstall macOS Big Sur,” click Continue, then follow the onscreen instructions.
Where do I find the volume format on my MacBook Air?
Open System Information and select Storage in the sidebar. The File System column on the right shows the format of each volume. Select the volume in the Finder, then choose File > Get Info from the menu bar. The Get Info window shows the Format of that volume.
Is there a way to erase all files on a Mac?
Which format: APFS or 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.