Opening an HPJ File

The HPJ file type is primarily associated with Help Project File.

HPJ	File extension: HPJ
	File type:	Help Project files

What is an HPJ file

HPJ files mostly belong to Help Project File. Microsoft Help Compiler Help ProJect file, used to combine .hm and .rtf files to a compiled .hlp file

How to open HPJ files

You need a suitable software like Help Project File to open an HPJ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HPJ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HPJ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HPJ Text Viewer

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Programs that open and convert HPJ files:

Help Project File
See the previous paragraphs to learn more about the main application.
HP LaserJet Print-to-File
Visual Basic Help Project

Technical Data for HPJ File Extension

Related files:

hlp

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: HpjFileType, FileType: Help Project File, AppName: Microsoft (R) Help Workshop

ProgramID: HpjFileType, FileType: Help Project File, AppName: Microsoft® Help Workshop
EXEFile: HCW.EXE

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Borland\Delphi5\Help\Tools\hcw.exe %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Help Workshop\hcw.exe %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET 2003\Common7\tools\hcw.exe %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Microsoft Visual Studio\Common\TOOLS\HCW.EXE %1

ProgramID: HpjFileType
EXEFile: D:\Help Tools\Help Workshop\hcw.exe %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Borland\C++Builder 6 Professional Educational\Help\Tools\hcw.exe %1

ProgramID: HpjFileType
EXEFile: C:\DevStudio\VFP\HELPCOMP\HCW.EXE %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Borland\CBuilder5\CBuilder5\Help\Tools\hcw.exe %1

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Borland\Delphi7\Help\Tools\HCW.EXE

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET\Common7\tools\hcw.exe

ProgramID: HpjFileType
EXEFile: %ProgramFiles%\Help File Creator\hcw.exe

ProgramID: hpj.file
EXEFile: %ProgramFiles%\RoboHelp Office\RoboHelp\RoboHelp.exe

Show all 14 listings To Top

an hpj Help Project file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HPJ files

Associate the HPJ file extension with the correct application.
Update your software that should actually open Help Project files. Because only the current version supports the latest HPJ file format. Search, therefore, e.g. on the manufacturer website after an available Help Project File update.
To make sure that your HPJ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HPJ file online - secure, fast, and no downloads needed.