The file likely refers to a preview package or a community-made add-on for the PMDG 737 series in Microsoft Flight Simulator (MSFS). These files are commonly used by the flight simulation community to distribute updated 3D models, textures, or camera presets for aircraft cabins.
Specific "freighter cabins" for cargo variants like the 737-800BCF, featuring modified interior modeling. PMDG 737-800: The Cabin | Real 737 Pilot cabin_previews.7z
Modern updates allow for fully customizable seats, galleys, and trolleys, enabling livery creators to match specific airline interiors. The file likely refers to a preview package
Support for different cabin configurations, such as standard airline seating versus the unique executive layouts of the Boeing Business Jet (BBJ). cabin_previews.7z
Enhanced cabin lighting that includes fully dimmable interior lights and realistic LED/incandescent effects.