Opening HPJ files

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

What is a HPJ file?

Every day users like you submit information to us about specific types of files, and which programs they use to open them.

While we do not yet have a description of the HPJ file format and what it is normally used for, we do know which programs are known to open these files. See the list of programs recommended by our users below.

We are constantly working on adding more file type descriptions to the site - the current count exceeds thousand by far, and more information about HPJ files will hopefully be added soon.

If you have information about HPJ files that you think will be helpful for others, please do use the Submit Info link below and we will add it to this page.

Generic HPJ

These apps are known to open certain types of HPJ files. Since many different programs may use HPJ files for different purposes, you may need to try a few of the apps to open your specific HPJ file.

Help WorkshopHelp WorkshopUser submitted
SynaptiCAD Product SuiteSynaptiCAD Product SuiteUser submitted
Adobe RoboHelp for WordAdobe RoboHelp for WordUser submitted
Hilti PROFISHilti PROFISUser submitted
Harpoon Classic - Commander's EditionHarpoon Classic - Commander's EditionUser submitted
SynaptiCAD syncadSynaptiCAD syncadUser submitted
RoboHelp for WordRoboHelp for WordUser submitted
Winharp32Winharp32User submitted

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.

We have not verified any programs that we know for certain can work with HPJ-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with HPJ-files. If you know one, please use the Suggest link below and tell us about it!