2.part07.rar -

: Software like WinRAR , 7-Zip, or PeaZip will automatically detect the other parts and merge them back into the original single file during extraction. Common Issues:

How can I split files into Multivolume RAR Archives? - WinRAR 2.part07.rar

: You must start the extraction process from the first file in the sequence ( 2.part01.rar ). : Software like WinRAR , 7-Zip, or PeaZip

: If any part (like part 01 or 06) is missing from the folder, the extraction will fail with an "unexpected end of archive" or "missing volume" error. : Software like WinRAR

It looks like you're dealing with a . The file 2.part07.rar is the seventh segment of a larger split file.