This feature allowed multiple files of a similar type to be treated as a single data stream, drastically improving efficiency for groups of small files.
Unlike proprietary formats, 7z was built to be modular, allowing it to support any new compression or encryption method as they were developed. 2002 7z
It used Unicode for filenames from the start, ensuring compatibility across different language systems—a feature not standard in many older archivers. This feature allowed multiple files of a similar