Any file that’s been made smaller with compression. ZIP and RAR for general files, MP3 for audio, JPG for images, etc.

Visual data like photos and graphics. JPG, PNG, and GIF are typical formats.

Sound data like music and recordings. MP3 and WAV are the usual suspects.

Moving pictures and sound together. MP4, AVI and MKV are prevalent formats.

Plain unformatted text. TXT files are the universal standard.

A hard drive or SSD in a case that connects to a computer, usually via USB.

A small, portable SSD that plugs into a USB port. Great for moving files between PCs.

Combining multiple drives to improve performance and/or fault tolerance. Several types exist.

Having multiple copies of data to prevent loss if one drive fails.

Network Attached Storage. A dedicated file server that provides storage over a network.