"FDM09.part2.rar" refers to the second segment of a multi-part compressed archive. When a large file or folder is too big to share as a single unit, it is often split into smaller parts (like .part1, .part2, etc.) to make downloading or uploading more manageable.
While the exact contents depend on where you found the file, "FDM" often serves as an abbreviation for: FDM09.part2.rar
: You must have every part of the set (e.g., FDM09.part1.rar , FDM09.part2.rar , FDM09.part3.rar ) in the same folder . "FDM09