If you want to re-format an external hard drive (a drive you plug into your computer, instead of installing inside of your computer) or flash drive, it's extremely easy to do.

You can format an external drive quickly and easily in Windows, without the need of any third-party tools. But before you format your USB drive, you need to consider which file system to use.

If you only plan on using the hard drive with your Mac, and are running macOS 10.13 or later, the best option is "APFS" — as long as the external hard drive is an SSD.

Step by step tutorial on how to format a Hard Drive or Disk. Use built-in tools such as Diskpart, CMD, Disk Management, etc, to format.

How to Format SSD on a MacBook. A Solid State Drive is primarily used on laptops and other lightweight devices, as its compact size proves adequate for such portable hardware units. Much like ...