A structured collection of data, often with multiple tables. Access, MySQL, and Oracle are big players.

For tabular data like spreadsheets. Very simple and universally supported.

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

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

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.