PSI File

What are PSI files and how to open them

Are you having problems opening a PSI file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your PSI files.

What is a PSI file?

PSI files have multiple uses, and EPSILON Bitmap is one of them. Read more about the other uses further down the page.

EPSILON Bitmap

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 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 four different PSI openers which you will find listed below.

Last updated: June 29, 2022

All known file formats using extension .PSI

While EPSILON Bitmap is a popular type of PSI-file, we know of 3 different uses of the .PSI file extension. Different software may use files with the same extension for different types of data.

PCE Sector Image Disk Image

We know that one PSI format is PCE Sector Image Disk Image. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Psion Serie 5/EPOC Word Document

We know that one PSI format is Psion Serie 5/EPOC Word Document. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

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.

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