You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. Does 7z compress better than zip? - Microsoft Community Hub
: The 7z format can split very large city models or datasets into smaller parts for easier transfer. SwashingtonDC.7z
: Datasets from the Interactive Zoning Info System (IZIS) including current zoning regulations and boundary maps. You can use 7-Zip on any computer, including