PSI File Type

- The quick facts

What are PSI files and how to open them

Are you having problems opening a PSI 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 PSI file?

A .PSI file is a PCE Sector Image disk image file. Through our analysis of PSI files, we know that one use of the format is PCE Sector Image disk image. 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.

How to open PSI files

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

While we have not verified the apps ourselves yet, our users have suggested 4 different PSI openers which you will find listed below.

Last updated: July 13, 2020

Other file formats using extension .PSI

While PCE Sector Image disk image is a popular type of PSI-file, we know of 2 different uses of the .PSI extension. Different software may use files with the same extension for different types of data.

Psion Serie 5/EPOC Word document

Through our analysis of PSI files, we know that one use of the format is Psion Serie 5/EPOC Word document. 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.

While we have not verified the apps ourselves yet, our users have suggested 4 different PSI openers which you will find listed below.

Various apps that use files with this extension

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

PlanSwift ProfessionalPlanSwift ProfessionalUser submitted
PrintStream ViewerPrintStream ViewerUser submitted
TatukGIS ViewerTatukGIS ViewerUser submitted
Pierresoft AdesignPierresoft AdesignUser submitted
We have not verified any software that we know for certain will work with PSI-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with PSI-files. If you know one, please use the 'Suggest a program' link below and tell us about it!