There is no official "review" for this file as it is a container, not a standalone product. Its value depends entirely on the legitimacy of the source you downloaded it from.
This naming pattern is frequently used in file-sharing communities for: Large software installers or "repacks." High-definition video collections. Game data files. Critical Safety Review na14.part1.rar
This is the first segment of a multi-part compressed archive. To extract the contents, you must have all subsequent parts (e.g., na14.part2.rar , na14.part3.rar ) in the same folder. There is no official "review" for this file