Video_2021-.7z Today

if you want the absolute smallest file size for long-term storage and plan to extract the entire archive at once.

: All uncompressed files are concatenated and processed together. This allows the algorithm to find similarities across different files. 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. if you want the absolute smallest file size