Open PLN File
PLN files report various uses, below are some of them.
ArchiCAD
A PLN is the extension of a project file that contains a 3D model created with ArchiCAD architectural design software.
ArchiCAD is a BIM architecture CAD software for Macintosh and Windows developed by the Hungarian company Graphisoft, and which D offers computer-aided solutions to handle all common aspects of aesthetics and engineering throughout the construction environment design process.
Flight Simulator Flight Plan
The PLN file is XML-formatted configuration file and stores a flight plan for the Microsoft Flight Simulator.
The PLN file specifies the parameters for the Flight Planner, including departure location, destination, route type, waypoints, cruising altitude, and other information.
Spaceman Planogram File
For Spaceman, the PLN file is a planogram used for merchandising applications, such as retail store layout, used by vendors to plan and analyze product placement.