If you don’t want to proceed with partitioning the disk, click Cancel.Īfter the operation finishes, click Done.Īfter you partition a storage device, an icon for each volume appears in both the Disk Utility sidebar and the Finder sidebar. If you want to proceed with partitioning the disk, click Continue. If a dialog appears that indicates it will take a long time to resize the startup volume, read the information in the dialog, then do one of the following: Read the information in the Partition Device dialog, then click Partition. Note: Boot Camp Assistant is not available on M1 Macs as of 2021. For everything else use Disk Utility to either create a partition or a new volume. You should see two tabs below the toolbar: First Aid and Partition. If you want to install Windows on your Mac, make sure to use Boot Camp Assistant. In Disk Utility select your Mac’s internal drive, making sure to click on the drive and not the volume beneath it. Type a name for the volume in the Name field.įor MS-DOS (FAT) and ExFAT volumes, the maximum length for the volume name is 11 characters.Ĭlick the Format pop-up menu, then choose a file system format.Įnter the size or drag the resize control to increase or decrease the size of the volume. Next, there are two main utilities on Mac that you can use to create a partition: Boot Camp Assistant and Disk Utility.

Note: If you click Add Volume instead, you can click the Add button to create an additional APFS volume in the container, or click Cancel to return to the Disk Utility window without making any changes to the storage device.

Can partition disk mac disk utility