A .rar file is a compressed archive. The .part2 designation means you likely need "FPT.part1.rar" , "FPT.part3.rar" , etc., in the same folder to extract the contents.
"FPT.part2.rar" appears to be a (part 2 of a multi-part RAR set). Based on the filename, here is a general assessment: FPT.part2.rar
"FPT" often refers to FPT University or FPT Corporation (Vietnam), but it could also be a generic placeholder. FPT.part2.rar