Topo.7z ●

The filename is frequently seen in public procurement and construction project documents (DCE) across Europe (e.g., France, Romania).

Because "Topo" is a generic shorthand for topography, this specific filename appears in several distinct contexts: 1. GIS and SpatiaLite Topology TOPO.7z

These archives usually contain topographic surveys, land boundary maps (bornage), and site plans required for building permits or infrastructure projects like bridges or housing. The filename is frequently seen in public procurement

It contains a SpatiaLite DB with administrative boundaries (Local Councils of Italy) provided by ISTAT. land boundary maps (bornage)

To access the contents of a .7z file, you need a decompression tool such as 7-Zip (Windows) or Keka (macOS). A quick introduction to SpatiaLite Topology - gaia-gis