PLN File

What are PLN files and how to open them

Are you having problems opening a PLN file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PLN file?

PLN files have multiple uses, and COSMI 3-D Floorplan Designer Plan is one of them. Read more about the others further down the page.

COSMI 3-D Floorplan Designer Plan

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open PLN files

Important: Different programs may use files with the PLN file extension for different purposes, so unless you are sure which format your PLN file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different PLN openers which you will find listed below.

Last updated: June 29, 2022

More file formats using the PLN extension

Through our research of PLN files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Microsoft Flight Simulator Flight Plan
  • Palantir WinTime Plan
  • PlanPerfect Spreadsheet
  • Project Master Plan Data

Various apps that use files with this extension

These apps are known to open certain types of PLN files. Remember, different programs may use PLN files for different purposes, so you may need to try out a few of them to be able to open your specific file.

ArchiCADArchiCADUser submitted
Home Plan ProHome Plan ProUser submitted
MasterCookMasterCookUser submitted
GnumericGnumericUser submitted
Dodge View ApplicationDodge View ApplicationUser submitted
Sagent SolutionSagent SolutionUser submitted
RikCADRikCADUser submitted
RocPlaneRocPlaneUser submitted
Agilix GoBinderAgilix GoBinderUser submitted
FranklinCovey TabletPlannerFranklinCovey TabletPlannerUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about PLN file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.