How to open P4S files

Did your computer fail to open a P4S file? We explain what P4S files are and recommend software that we know can open or convert your P4S files.

What is a P4S file?

The P4S file extension indicates to your device which app can open the file. However, different programs may use the P4S file type for different types of data.

While we do not yet describe the P4S file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about P4S files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Various P4S openers

These apps are known to open certain types of P4S files. Since many different programs may use P4S files for different purposes, you may need to try a few of the apps to open your specific P4S file.

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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 P4S-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 P4S-files. If you know one, please use the Suggest link below and tell us about it!