Having problems opening a PLN file?

We have programs that can open or convert your PLN files.

Opening PLN files

Did your computer fail to open a PLN file? We explain what PLN files are and recommend software that we know can open or convert your PLN files.

What is a PLN file?

The .pln file extension is most commonly associated with the ArchiCAD design software. ArchiCAD is used to create architectural design projects. Files with the .pln extension are project files that contain a 3D model that has been created by the software.

The .pln file extension is also used for CTP scene definition files, Microsoft Flight Simulator flight plan files, Adobe InDesign plugin files and Psion Organizer spreadsheet files.

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

About File Extension PLN

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the PLN file format or software that uses files with the PLN suffix, please do get in touch - we would love hearing from you.