How to open PNPROJ files

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

What is a PNPROJ file?

PNPROJ files are Programmer's Notepad Project files, which you can read more about below.

The PNPROJ file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a PNPROJ opener may not be able to open all kinds of PNPROJ files. In this case, though, we only know of one specific use.

Programmer's Notepad Project

Through our analysis of PNPROJ files, we know that one use of the format is Programmer's Notepad Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

PNPROJ file openers, viewers, etc.

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

Programmer's NotepadProgrammer's NotepadUser submitted
We have not verified any programs that we know for certain can work with PNPROJ-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 PNPROJ-files. If you know one, please use the Suggest link below and tell us about it!