So how do you know if your USB drive is using the right format? If in doubt, just select the default GUID Partition Map (GPT) scheme. You can also using the Master Boot Record partition layout, which is compatible with Windows.īut, if you plan on using an external drive with both Macs and PCs, you should format the disk with the exFAT file system instead.
The maximum length for the volume name is 11 characters.
