Video_2021-.7z -

While it can significantly improve compression ratios, it has specific trade-offs for video files: How it Works

: Because video files (MP4, MKV) are already highly compressed, you may see limited size reduction unless there are many redundant or identical files in the archive. video_2021-.7z

The in a .7z archive (like your video_2021-.7z ) is a compression method that treats multiple files as a single, continuous data block rather than individual items. While it can significantly improve compression ratios, it