If you are looking for general technical details often found in long explanatory posts about .7z archives:
: Unlike ZIP, it is not native to Windows or macOS and requires third-party tools like the official 7-Zip or PeaZip . 7z file you already have? Multilingual Dataset Combiner/Cleaner - Mozilla Discourse If you are looking for general technical details
: Theoretically supports file sizes up to 16 exabytes . If you are looking for general technical details