External CD, DVD, and Blu-ray drives are a great way to add storage to your computer. They can also be used to play movies or music. There are a few different types of external drives, but the most common are USB drives.

External CD, DVD, and Blu-ray drives connect to your computer through a USB port. They come in different shapes and sizes, but most are about the size of a CD case. Some drives have a built-in battery, which allows you to use them without a computer.

To use an external drive, you must first install the driver software. …