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

Data organized into a grid of cells. Microsoft Excel’s XLSX is a de facto standard.

For slideshows and lectures. Microsoft’s PPTX is commonly used.

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.

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

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