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What are PNPROJ files and how to open them

Are you having problems opening a PNPROJ file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PNPROJ file?

A .PNPROJ file is a Programmer's Notepad Project file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open PNPROJ files

Important: Different programs may use files with the PNPROJ file extension for different purposes, so unless you are sure which format your PNPROJ file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single PNPROJ opener which you will find listed below.

Last updated: January 22, 2020

Various apps that use files with this extension

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

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about PNPROJ file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.