If you tell me (e.g., a specific forum, a game patch site), I might be able to tell you exactly what it is for.
Such files are typically found in shared forums, file-sharing sites, or torrent downloads. BSXUBR.part3.rar
Use software like WinRAR or 7-Zip on the first part (part 1) to extract the final file. If you tell me (e
They often contain large games, software, or media collections that have been split for easier uploading/downloading. If you tell me (e.g.