A PLN file is a project file created by the ArchiCAD architectural design software.
This software is used by architects to create blueprints and to give them an idea of what the exterior and interior of the finished project will look like.
.pln File
Extension
Developer:
GRAPHISOFT
File category:
What are pln files & how to open them - ArchiCAD Project File
File category:
Developer:
GRAPHISOFT