: The .part1.rar extension indicates this is just the first segment of a larger compressed folder. You would need all subsequent parts (part2, part3, etc.) to successfully extract the data.
I cannot produce the contents of because it is a private file and not a standard public document or known dataset. Generally, a filename like this suggests: sc24188-RF5.part1.rar
Use a program like or 7-Zip to "Extract" the contents. sc24188-RF5.part1.rar