File Extension PRJ

.PRJ File

File extension: PRJ
File type: Project File
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Notes about the PRJ file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The PRJ file type is primarily associated with 'Project File'. Project files can be in a number of different formats. Some are listed here.

Detailed information for file extension PRJ:


Primary association: Project File

Other applications associated with file type PRJ:

  • 3D Studio (Project) by Autodesk, Inc.
  • ArcView (ESRI Coordinate System Definition) by ESRIUsed by ESRI software (ArcGIS, ArcIMS, ArcInfo). These files describe the meaning of xy coordinates used in geospatial data sets and are most commonly found associated with ESRI shapefiles. The files use the GIS industry standard well-known text (WTK) format to describe the coordinate systems. Related links: GIS Info
  • AwpHelp Project
  • FireFly SDK Designer (Project) by PlanetSquires SoftwareThe FireFly SDK Designer allows application development for the PowerBASIC computer language. The identifying characters used for this association are - Hex: 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E 30 22 3F 3E 0D 0A 3C 66 69 72 65 66 6C 79 5F 70 72 6F , ASCII: .?xml version="1.0"?....firefly_proj , or the new , Hex: 23 46 69 72 65 46 6C 79 5F 50 72 6F 6A , ASCII: #FireFly_P
  • HitPlayer Advanced Playlist File
  • Maestro (Project) by Schrödinger, LLCMaestro is an all-purpose molecular modeling environment and the unified interface for all Schrödinger software.
  • Monarch File(data mining)

You are viewing 7 of 15 entries click this link to expand the remaining entries
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension PRJ click this link to expand/hide the additional area.

System Info for File Extension .PRJ

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: UltraEdit.prj, AppName: UltraEdit-32 Professional Text/Hex Editor

ProgramID: myHouse.File.Old
EXEFile: %ProgramFiles%\DesignSoft\myHouse for Windows\myhouse.exe %1

ProgramID: WaveLab.Project
EXEFile: %ProgramFiles%\STEINB~1\Wavelab\WaveLab.exe %1

ProgramID: projectnebula
EXEFile: C:\unzipped\nebula\nebula.exe %1

ProgramID: UltraEdit.prj
EXEFile: %ProgramFiles%\UltraEdit\uedit32.exe %1

ProgramID: ProtelProjectFile
EXEFile: %ProgramFiles%\Design Explorer 99 SE\Client99SE.exe %1

ProgramID: Proj.Document
EXEFile: C:\DOWNLO~1\CINTER~1\Quincy\Quincy\Quincy__\Quincy.exe /dde

ProgramID: prjfile
EXEFile: %SystemRoot%\system32\NOTEPAD.EXE %1

ProgramID: WaveLab.prj
EXEFile: %ProgramFiles%\Steinberg\WaveLab\WaveLab.exe

ProgramID: UltraEdit.prj
EXEFile: %ProgramFiles%\IDM Computer Solutions\UltraEdit-32\uedit32.exe %1

ProgramID: quick3D.prj
EXEFile: %ProgramFiles%\quick3D Geo\quick3D.exe %1

ProgramID: MovieEditor.Document
EXEFile: %ProgramFiles%\Samsung\SAMSUN~1\MOVIEE~1.EXE %1

ProgramID: stylusstudiofile.prj
EXEFile: %ProgramFiles%\bin\Struzzo.exe %1

ProgramID: WaveLab.prj
EXEFile: %ProgramFiles%\WaveLab\WaveLab.exe %1

ProgramID: stylusstudiofile.prj
EXEFile: %ProgramFiles%\STYLUS~1\bin\Struzzo.exe

ProgramID: IDLprojectFile
EXEFile: %ProgramFiles%\RSI\IDL56\bin\bin.x86\idlde.exe

ProgramID: MovieEditor.Document
EXEFile: %ProgramFiles%\MOVIEE~1.EXE

ProgramID: PMaker.Project
EXEFile: %ProgramFiles%\fedora core 6\asm\pmaker.1.2.0.0.preview.6\pmaker.exe

ProgramID: ProtelProjectFile
EXEFile: %ProgramFiles%\Protel99\Client99SE.exe

ProgramID: EasyPC.Project
EXEFile: %ProgramFiles%\Number One Systems\Easy-PC\Epcwin.exe

ProgramID: IDLprojectFile
EXEFile: %ProgramFiles%\RSI\IDL60\bin\bin.x86\idlde.exe

ProgramID: prj.HyperNextCreator
EXEFile: %ProgramFiles%\HyperNext Studio\HyperNext Studio Full\HyperNextCreator.exe

ProgramID: UltraEdit.prj
EXEFile: %ProgramFiles%\IDM Computer Solutions\UltraEdit\Uedit32.exe


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