: This is a proprietary archive file format created by Eugene Roshal. It is used for data compression, error recovery, and file spanning.
: This indicates that the file is the second volume of a multi-part (split) archive. To extract the contents, you must have all associated parts (e.g., part1, part2, part3) in the same folder. 23331_0tsnp23n.part2.rar
The filename refers to a specific compressed archive segment typically used for distributing large datasets, software, or media files over the internet. Understanding the File Format : This is a proprietary archive file format