An external hard drive is a portable storage device that connects to your computer or laptop via USB or other ports. It allows you to save and back up important files, such as documents, photos, and videos, freeing up space on your device. These drives come in various sizes, making it easy to choose one that fits your storage needs. Using an external hard drive is simple and convenient. You can easily transfer files between different computers or share data with friends. Many people use them for data backup or to store large media collections, ensuring that their valuable information is safe and accessible.