If you have the 7-Zip command-line tool installed, you can list the files and metadata within the archive without extracting them by using the command: 7z l VLD01.7z . :
: Some automated systems for the SEC (EDGAR) use similar alphanumeric naming conventions for supplemental data files. VLD01.7z
Install 7-Zip (Windows) or use tools like (Mac). If you have the 7-Zip command-line tool installed,