In Disk Utility, you can format an external disk that you can use with both a Microsoft Windows-based computer and a Mac. For example, you might want to do this if you use a flash drive to store data files you need to use on your Mac at home and when using a Windows-based computer at school or the public library.
Disk Utility User Guide
WARNING: Formatting a disk or volume erases all the files on it. Save any files you need to another volume before formatting.
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See alsoFile system formats available in Disk Utility on MacPartition schemes available in Disk Utility on MacPartition a physical disk in Disk Utility on Mac
Partition can be considered as a piece of disk space. A partition table is a partition of a disk that contains information about sizes and locations of partitions on hard disk and it is located at the first sector of the disk. The two most popular partition tables are MBR and GPT. Master Boot Record (MBR). MiniTool Partition Wizard Free. Supports lots of common disk partitioning tasks. Lets you extend. In the Disk Utility app on your Mac, select a volume in the sidebar, click the Partition button, then.
Bootable Disk Partition UtilityDisk Utility User Guide
Partitioning a disk divides it into individual sections known as containers.
However, with APFS, you shouldn’t partition your disk in most cases. Instead, create multiple APFS volumes within a single partition. With the flexible space management provided by APFS, you can even install another version of macOS on an APFS volume.
Important: If you’re partitioning your internal physical disk because you want to install Windows, use Boot Camp Assistant instead. Do not use Disk Utility to remove a partition that was created using Boot Camp Assistant. Instead, use Boot Camp Assistant to remove the partition from your Mac.
Add a partition
Important: As a precaution, it’s best to back up your data before creating new partitions on your device.
After you partition a storage device, an icon for each volume appears in both the Disk Utility sidebar and the Finder sidebar.
Delete a partitionChange Disk Partition Type
WARNING: When you delete a partition, all the data on it is erased. Be sure to back up your data before you begin.
Erase a partition
Enlarge a partition on a storage device
If you have multiple partitions on a device and one of them is running out of space, you may be able to enlarge it without losing any of the files on it.
To enlarge a volume, you must delete the volume that comes after it on the device, then move the end point of the volume you want to enlarge into the freed space. You can’t enlarge the last volume on a device.
WARNING: When you delete a volume or partition, all the data on it is erased. Be sure to back up your data before you begin.
See alsoFile system formats available in Disk Utility on MacAdd, delete, or erase APFS volumes in Disk Utility on MacAbout Disk Utility on Mac
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