How to open .prj file format?

The probably reason why you are at this website is a problem with opening .prj file. The full name of the file is Project File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.

.prj file extension (Project File)

Category Developer/Producer File description Popularity
Data Files N/A Project File
RateRateRateRate
Programs using this file extension: .prj
ADS OS Software
Windows
Windows
  • Microsoft Visual Studio 2010
  • IDM UltraEdit
  • ESRI ArcGIS Desktop
  • Autodesk AutoCAD 2014
  • Steinberg WaveLab
  • Mackie Tracktion
  • PlanetSquires FireFly Visual Designer
  • Progress Stylus Studio
  • Multi Edit Software Multi-Edit
MAC OS
MAC
  • Freescale CodeWarrior
  • Mackie Tracktion

.prj file extension (AIMMS Project File)

Category Developer/Producer File description Popularity
Data Files Paragon Decision Technology AIMMS Project File
RateRateRate
Programs using this file extension: .prj
OS Software
Windows
Windows
  • Paragon AIMMS or AIMMS Viewer
Linux
Linux
  • Paragon AIMMS or AIMMS Viewer


The file extension .prj can be used by another programs. If you have some useful information about .prj file type that may help other users HowOpen.org, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .prj file?
  • How to open .prj file?
  • What is .prj file?
  • How can I convert .prj file?
  • Where can I find informations about .prj file extension? (for example on the File Extension website)
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .prj extension on Wikipedia.org.