The is an open-source, high-compression archive format developed by Igor Pavlov. It is widely considered superior to the standard .zip format for storage and security.
7-Zip is heavily multithreaded , meaning it can use multiple CPU cores simultaneously to speed up compression tasks. Benchmarking Context MMM28p.7z
It supports strong AES-256 encryption , ensuring that sensitive data within the archive remains protected. Benchmarking Context It supports strong AES-256 encryption ,
In technical circles, files with names like "MMM" or "p" often refer to specific or multithreading parameters used during performance testing. b (Benchmark) command - 7-Zip - Documentation & Help Format & Technology Review It primarily uses the
While "MMM28p" does not correspond to a public 7-Zip version (the current stable is 26.01 ), the .7z extension signifies it is an archive using the highly efficient . Format & Technology Review
It primarily uses the LZMA/LZMA2 algorithms, which provide significantly better compression ratios than ZIP, making it ideal for large file transfers.
The format can handle massive files—up to 16 billion gigabytes —and supports "solid compression," which packs similar files together to further reduce size.