The file extension refers to a high-performance compressed archive created by 7-Zip , a free and open-source file archiver. When you see a file named video.7z , it typically means one or more video files have been bundled together into this single "container" to save space or facilitate easier sharing. 1. Core Concept: Lossless Archiving
Because .7z is not natively supported by all operating systems like .zip is, you generally need a third-party tool: How to Split and Join Files with 7zip | How to install 7zip video.7z
: You may only see a 1%–2% reduction in file size for already compressed video formats. The file extension refers to a high-performance compressed
Unlike a video converter (like Handbrake ), 7-Zip is a tool. 7-Zip is a tool.