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
: Information related to natural resource conservation or social services like those listed in the DC DHS Ward 7 Vision . Access & Compatibility SwashingtonDC.7z
While the exact contents depend on the source (e.g., Open Data DC or the Zoning Handbook ), files with this naming convention typically include: You can use 7-Zip on any computer, including
: Datasets from the Interactive Zoning Info System (IZIS) including current zoning regulations and boundary maps. - Microsoft Community Hub : Information related to
: Uses the LZMA compression algorithm to significantly reduce the size of large geospatial datasets, making it easier to download and store than standard ZIP files.
: Layered information for District Police PSAs , Advisory Neighborhood Commissions (ANCs) , or ZIP code polygons.
: The 7z format can split very large city models or datasets into smaller parts for easier transfer.