Using tools like Hashcat or John the Ripper if the archive is encrypted and part of a security research exercise.
In the world of online challenges and data recovery, "solid write-ups" for multi-part archives usually cover one of three things: fuckincar.part3.rar
If this is part of a specific puzzle, game, or tech forum thread you're working through, let me know the or the platform where you found it, and I can help you dig deeper into the solution. Using tools like Hashcat or John the Ripper