With three different partition maps available, which one should you use when youformat or partition a hard drive?
Apple File System(APFS): The primary file system used by macOS 10.13 or later.
It is the default file system for macOS.
There are several types of APFS.
Mac OS Extended: This file system is used by macOS 10.12 or earlier.
Within Disk Utility, it has 4 different modes as well.
MS-DOS (FAT) and ExFAT: These are file systems used with Microsoft Windows.
Selecting and Changing the Partition Scheme
Changing the partitionscheme requires reformatting the drive.
All data on the drive will be lost in the process.
Be sure and have a recentbackupavailable so you’re able to restore your data if needed.
Launch Disk Utilities, located atGo>Utilities.
In the list of devices, snag the hard drive or equipment whose partition scheme you wish to change.
Be sure to go for the equipment and not any of the underlying partitions that may be listed.
Disk Utility will display the volume scheme currently in use.
pick the+(Plus sign) under the volume graphic.
SelectFormatto select one of the available schemes.
Enter a name for your new partition in theNamefield.
SelectApplywhen you’re satisfied with your tweaks.
At the confirmation screen, selectPartition.
Disk Utility will begin the partitioning process.
If you want to see what it’s doing, selectShow Details.
You will be asked if you want to use the partition for aTime Machine.
ChooseDecide Later,Use as a Backup Disk, or select Don’t Use if you have another use.