The software will automatically detect the other parts and extract the combined contents. To tell you what is inside, I would need to know: Where did you or receive this file from?
What is the (e.g., a specific software project, an online forum, a server backup)? s0391.7z.005
(001, 002, 003, 004, 005, etc.) into the same folder. The software will automatically detect the other parts
Use a file archiver utility like to open the first part ( s0391.7z.001 ). a specific software project
Without access to the specific file itself, I cannot list its exact contents. However, based on the file name format (likely a code or project number like "s0391"), it is likely one of the following: