Video.7z

: Once you extract the file, the video is exactly the same as it was before compression. 2. Effectiveness for Video Files

: You may only see a 1%–2% reduction in file size for already compressed video formats. video.7z

: Zipping a video into a .7z file does not reduce its resolution, bitrate, or audio quality. : Once you extract the file, the video

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 : Once you extract the file