Video_2021-.7z -

: 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.

While it can significantly improve compression ratios, it has specific trade-offs for video files: How it Works video_2021-.7z

: All uncompressed files are concatenated and processed together. This allows the algorithm to find similarities across different files. : Because video files (MP4, MKV) are already

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. : Because video files (MP4

if you need quick access to individual videos without waiting for the whole set to process. Does 7z compress better than zip? - Microsoft Community Hub