Since RAR files can be used to hide malware, always scan files from unknown sources with VirusTotal before opening them. Do you have the of this archive, or

You cannot open a "part2" file on its own. To extract the content, you must follow these steps:

"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.