If you do not have the other parts, you can try to identify what the archive might contain by:
The file is the first part of a multi-volume compressed archive created using 7-Zip .
: Ensure every numbered file in the sequence is in the same directory.
: The prefix LL_102-104-00105 often corresponds to specific data dumps or software components, though it is not a standard industry naming convention.
Because it is a split archive, you cannot "look into" it or access its contents using only this single file. You must have (e.g., .7z.002 , .7z.003 , etc.) in the same folder to successfully extract the data. How to Open and View Contents