If you’re using a desktop computer, USB ports are typically in either the front or the back of the computer’s CPU box.

NTFS - Use this for Windows-only drives. FAT32 - Works on Windows and Mac, but has a storage limit of 32 gigabytes with an individual file size of 4 gigabytes. exFAT (Recommended) - Use this for hard drives you plan on using with multiple devices (Mac, Windows, console, etc. ). Similar to FAT32, but has no storage limit.

If you’ve formatted your drive before, check the Quick Format box as well.

Your external hard drive’s files will be erased during this process.

If you’re using an iMac, you may find the USB ports on the side of your keyboard or on the back of the iMac’s screen. Not all Macs have USB ports. If you’re using a newer Mac that doesn’t come with USB ports, you’ll need to purchase a USB-C to USB adapter.

You can also just click the desktop.

Mac OS Extended (Journaled) - The default Mac format. Only works on Mac. Mac OS Extended (Journaled, Encrypted) - Encrypted version of the default Mac format. Mac OS Extended (Case-sensitive, Journaled) - Version of the default Mac format that treats files with the same name differently if there are case differences (e. g. , “file. txt” and “File. txt”). Mac OS Extended (Case-sensitive, Journaled, Encrypted) - A combination of the three above formatting options for the Mac format. MS-DOS (FAT) - Works on both Windows and Mac computers, but has file size limit of 4 gigabytes. ExFAT (Recommended) - Works on both Windows and Mac computers. Has no storage limit.