If you are looking for the original post or source to download the remaining parts, you may need to check the specific forum, private tracker, or index where you found this file, as these archives are rarely hosted as standalone files on the public web.
If you are having trouble extracting it, ensure that no parts are missing or corrupted. Many uploaders provide SFV or MD5 checksums to verify file integrity. MNFTS01WEB18.part05.rar
To extract the contents, you must have all parts of the archive (e.g., part01 through the final part) in the same folder. If you are looking for the original post