: Most 7z archives use LZMA (Lempel-Ziv-Markov chain algorithm) , which is known for having a higher compression ratio than the standard ZIP format.
A file with these characteristics generally indicates it was compressed using the or LZMA2 algorithm with "Ultra" or manual high-end settings. 27n.7z
Because 7z is a specialized format, it requires specific tools for extraction. : Most 7z archives use LZMA (Lempel-Ziv-Markov chain
: Extracting a file with a 128 MB dictionary typically requires at least 128 MB of RAM , plus additional overhead depending on the number of threads used. Common Use Cases Does 7z compress better than zip? - Microsoft Community Hub 27n.7z