Presenting the two proved methods about how to format USB drive on MAC using terminal and disk ut...
If the USB drive was purchased recently, it connects quickly otherwise, it requires formatting at the start, and there are simple programs on Mac devices that will assist you in formatting the USB drive. How to format USB on mac Make sure you execute this step correctly to format USB On Mac devices and keep in mind that any saved data in USB devices will be permanently erased if you choose this Format option.