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
The file is the first part of a multi-volume compressed archive created using 7-Zip . LL_102-104-00105.7z.001
: Use an extraction tool like 7-Zip or WinRAR to open only the .001 file. Because it is a split archive, you cannot
If you do not have the other parts, you can try to identify what the archive might contain by: Because it is a split archive