Could you provide on where you found this file or what you believe its contents might be?
A file ending in .rar is a file. It is a proprietary format used for: xROUS.rar
Splitting large datasets into multiple smaller segments (e.g., .r00 , .r01 ) for easier downloading. Could you provide on where you found this
Only use trusted tools like WinRAR or 7-Zip to handle extraction. xROUS.rar