I want to partition the card so I can use it for an OS install disk (Mac OS Extended GUID) in one partition and as a camera disk (MS-DOS FAT) in the other partition. Disk utility can do the partition, ...

If you want to use Disk Utility to format—and more often than not, re-format—a drive in macOS, you may sometimes want to first choose the scheme for backwards or multi-platform compatibility. The ...

Sometimes installing OS X may result in odd behavior if the partition scheme on the drive is not set up properly. If you are experiencing problems, a simple repartition during setup may be an easy fix ...

The format used to define the hard disk partitions in computers with UEFI startup firmware. The GUID Partition Table (GPT) replaces the previous master boot record (MBR). GPT partitions can hold 18 ...