STO File

What are STO files and how to open them

Are you having problems opening a STO 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 STO files.

What is a STO file?

STO files have multiple uses, and Infinity Engine Store is one of them. Read more about the other uses further down the page.

Infinity Engine Store

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 STO files

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

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

Last updated: July 13, 2020

All known file formats using extension .STO

While Infinity Engine Store is a popular type of STO-file, we know of 2 different uses of the .STO file extension. Different software may use files with the same extension for different types of data.

PRO100 Furniture Design Project

We know that one STO format is PRO100 Furniture Design Project. 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 STO files. Remember, different programs may use STO 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 STO file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.