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

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.

Lightweight data interchange format that’s easy for humans to read and write.

A widely used markup language for encoding documents in a way both humans and computers can read.

Similar to JSON but strives to be even more human-friendly. Great for configuration files.

A lightweight markup language for formatting plain text. Used all over the web, including in this article!

Scalable Vector Graphics. An XML-based image format that can scale to any size without pixelation.

A modern image format that offers better compression for the web than JPG or PNG.

Matroska Video. A versatile multimedia container that can hold video, audio, subtitles, and metadata.