Because .7z is a generic compressed archive format, the exact contents can vary depending on where you downloaded it, but it most commonly contains:
The archive typically refers to a high-resolution terrain and scenery pack used for flight simulators like X-Plane or Microsoft Flight Simulator . GrandCanyon.7z
: Documentation explaining how to install the scenery and any required dependencies (like library packages). How to open and view the content: Because
: If it contains .bgl files, it is for MSFS or P3D . GrandCanyon.7z
: High-detail elevation maps (often HD Mesh v4 or similar) that replace the default, flat terrain of the Grand Canyon with realistic ridges and cliffs.
: Orthophoto tiles that overlay the ground with actual satellite imagery.