

Should you intend to make an Mac OS installer drive (for OS X Mavericks, OS X El Capitan, OS X Yosemite, etc) or create any other bootable Mac OS X volume from a drive, or use a new drive as a fully compatible Time Machine backup drive, you will also need to complete this process. Similarly, you can perform the same type of process in Mac OS X for making a USB flash drive compatible with Mac OS using the Disk Utility in Mac OS X, as you can see, it’s a quick procedure that is done in short order on any Mac: The videos below demonstrate the complete process of formatting an external hard drive for full Mac OS X compatibility, this uses the new Disk Utility in modern versions of Mac OS X: When completed, the drive will be formatted to the Mac OS X compatible HFS+ filesystem.


Smaller external hard drives, SSD’s, and USB flash keys format quickly, while a larger hard drive may take a while longer.
