Are there to this file (like part2, part3), or is it a single archive you're having trouble opening?
: Highlight the main file (in this case, 446170686e65.rar) and right-click it. Choose an extraction method : 446170686e65.rar
If you are prompted for a password during extraction, you must obtain it from the original source of the file, as RAR archives can be password protected for security. Are there to this file (like part2, part3),
: WinRAR is the native tool for this format, but 7-Zip is a popular free alternative that can extract RAR files as well. 446170686e65.rar
: You can find visual walkthroughs on joining multiple RAR files on YouTube .