Select "Extract Here." The software will automatically read through part05 and all other pieces to reconstruct the original full file.
The filename appears to be a specific volume of a multi-part RAR archive . Since this is "part 5," it is likely a small piece of a much larger dataset or software package that has been split into multiple segments for easier distribution. Understanding Multi-Part RAR Files MdedGra18pEHx6-oT77.part05.rar
Ensure you have every segment from the original source. Select "Extract Here
To extract the actual content, you typically need all parts of the archive (part01, part02, etc.) in the same folder. etc.) in the same folder.