The format can handle massive files—up to 16 billion gigabytes —and supports "solid compression," which packs similar files together to further reduce size.
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
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
It supports strong AES-256 encryption , ensuring that sensitive data within the archive remains protected.
Drainage Derbyshire