are you using (Windows, macOS, Linux)?

If extraction fails, it means one of the parts is corrupt. Use WinRAR's built-in "Repair" function, or re-download the affected part [1].

If you only have part 115, you cannot extract the file. You must have parts 1 through 115 (or as many as exist in the set) [1]. 2. Required Tools You need a file archiver capable of handling RAR5 formats:

The official, most reliable tool for multi-part RAR files [1].

Multi-part files are often password-protected. Ensure you have the password from the source.