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, ...

Apple's Disk Utility has always checked the health of volume structures, but in Lion it will verify the structure of the partition tables as well. Topher Kessler MacFixIt Editor Topher, an avid Mac ...

If you've purchased a Seagate hard disk drive to use on one of your office computers, you can partition it in Apple's Disk Utility application running on a Mac. Along with preparing drives for ...

If partitioning a drive with Disk Utility gives you unmount or resource busy errors, there may be workarounds you can use. Topher, an avid Mac user for the past 15 years, has been a contributing ...

Image: D. Griffin Jones/Cult of Mac A good way to separate your data is to partition your Mac hard drive. A partition splits your storage into two spaces, like putting a trunk divider in your car. The ...

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 ...

There are a few less obvious features for managing and manipulating your storage devices in the macOS Disk Utility. In the third part of our deep dive into Disk Utility, here's how to find and use ...

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 ...