To use this file, you must have all other parts (e.g., part1, part2, and part3) saved in the . How to Use Multi-Part Archives What is multipart archive - GitHub Gist
The file is the fourth segment of a multi-part compressed archive. Multi-part RAR files are used to split large data sets—such as games, software installations, or high-definition media—into smaller pieces for easier downloading and storage. 3.part4.rar