Unimportant_rapping_jackal.7z.001

: Use a tool like file in Linux to confirm it is indeed a 7-Zip archive. Even if the extension is .001 , the internal headers should identify it as a 7-Zip compilation .

: If you have multiple parts, you can merge them via the command line before extraction: Unimportant_Rapping_Jackal.7z.001

If you are performing a write-up or analysis of this specific file, here is the standard workflow: : Use a tool like file in Linux