If you are the one creating these parts for ELO's MP3 collection: and select the music files. Click Add .
: Ensure ELO_MP3.part01.rar through part20.rar are in the same folder. ELO_MP3.part21.rar
If you are preparing or managing this file, here is how the "Solid" feature applies: If you are the one creating these parts
Under the tab, check the box "Create solid archive" . and metadata structures.
: By using the Solid Archive option, WinRAR can achieve significantly better compression. This is especially effective for a discography like ELO's, where many songs share similar data patterns, frequencies, and metadata structures.