STO File Type

- The quick facts

What are STO files and how to open them

Are you having problems opening a STO 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 STO file?

A .STO file is an Infinity Engine Store file. Through our analysis of STO files, we know that one use of the format is Infinity Engine Store. 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 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 10 different STO openers which you will find listed below.

Last updated: July 13, 2020

Other 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 extension. Different software may use files with the same extension for different types of data.

PRO100 Furniture design project

Through our analysis of STO files, we know that one use of the format is PRO100 Furniture design project. 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 10 different STO openers which you will find listed below.

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.

PRO100PRO100User submitted
Shredder ClassicShredder ClassicUser submitted
MAP DesignerMAP DesignerUser submitted
AXPrint22AXPrint22User submitted
Unipro UGENEUnipro UGENEUser submitted
StoreStoreUser submitted
Deep Shredder UCIDeep Shredder UCIUser submitted
TOPTOPUser submitted
Shredder Classic ctShredder Classic ctUser submitted
Infinty Engine Editor ProInfinty Engine Editor ProUser submitted
We have not verified any software that we know for certain will work with STO-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 STO-files. If you know one, please use the 'Suggest a program' link below and tell us about it!