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.
: To extract just one file from a solid archive, 7-Zip may need to decompress all preceding data in that solid block, making single-file retrieval much slower than in a non-solid .zip . video_2021-.7z
if you want the absolute smallest file size for long-term storage and plan to extract the entire archive at once. The in a