Look for MD5 or SHA256 checksums provided by the uploader to ensure that swc.part5.rar (and all other parts) were not corrupted during download.
Knowing the source will help me understand what content "swc" refers to. swc.part5.rar
To work with swc.part5.rar , you must have a file archiver tool, such as: (Windows) 7-Zip (Windows/Linux/MacOS) The Unarchiver (MacOS) How to open it: Look for MD5 or SHA256 checksums provided by
swc.part5.rar is useless on its own. To extract the content, you must have all other parts (part1 through part5 or however many exist) in the same folder. or sandbox simulation games).
It is highly probable that swc.part5.rar is part of a large game mod, particularly for games with active modding communities (e.g., Minecraft, The Sims, or sandbox simulation games).