If you are looking for a post explaining the mechanics or usage of this specific file format, here are the essential details:
: Unlike ZIP, 7z uses "solid" compression, where all files are treated as one continuous stream. This improves size but means if one part of the archive is corrupted, it may be difficult to recover any of the files. foxperry.7z
NIST says critical vulnerability found in 7-Zip archiving software | AHA News If you are looking for a post explaining
: The 7z format uses the LZMA and LZMA2 algorithms , which typically provide much better compression than standard ZIP formats, especially for text and source code. 7z uses "solid" compression