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PR4 File

What are PR4 files and how to open them

Are you having problems opening a PR4 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 PR4 file?

A .PR4 file is a Harvard Graphics Presentation 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 PR4 files

We have identified one PR4 opener that is compatible with this specific type of PR4 file.

Programs that open Harvard Graphics Presentation files

Harvard GraphicsHarvard GraphicsDiscontinued

Last updated: February 24, 2023

Various apps that use files with this extension

These apps are known to open certain types of PR4 files. Remember, different programs may use PR4 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

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 PR4 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.