0 Using a Mac to Format a USB DriveConnect a USB drive to your computer's USB port.The disc will be recognised by macOS, and its icon will appear on the desktop.Disk Utility will be launched.In the top-right corner, put 'Disk Utility' into the search box. Select the Disk Utility result from the search.Choose your USB drive from the left-hand menu. At the top, select Erase.Select a Format after giving the drive a name.Format types to choose from are displayed.Erase is the option to choose.A progress bar will appear on the screen. Wait for the hard disc to be formatted.Select Done when you're finishedDisk Utility should be closed. At the top of the screen, select Disk Utility, then Quit Disk Utility. Read More: Why does my APK installation get stuck? Add comment