File.7z

The "story" of the file format began in 1999 when it was introduced by Russian developer Igor Pavlov as the native format for his new, open-source file archiver, 7-Zip. The Evolution of .7z

It was built with an open-source architecture, allowing anyone to implement the format. file.7z

Unlike the ubiquitous .zip format of the 90s, .7z was designed for . It utilized the LZMA (Lempel-Ziv-Markov chain algorithm), which allowed it to shrink files much more effectively than standard ZIP or RAR formats at the time. Key milestones in its history include: The "story" of the file format began in