Topo.7z -

It serves as a sample dataset for learning how to manage topology within a database. You can find the tutorial and sample link at Gaia-Sins . 2. Engineering and Public Tenders

These archives usually contain topographic surveys, land boundary maps (bornage), and site plans required for building permits or infrastructure projects like bridges or housing. TOPO.7z

The filename is frequently seen in public procurement and construction project documents (DCE) across Europe (e.g., France, Romania). It serves as a sample dataset for learning

The name also appears as a handle or tag in gaming communities. 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