MST File

What are MST files and how to open them

Are you having problems opening a MST 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 MST files.

What is a MST file?

MST files have multiple uses, and Windows SDK Setup Transform Script is one of them. Read more about the other uses further down the page.

Windows SDK Setup Transform Script

The Microsoft Windows operating system uses files that contain the .mst file extension to customize the installation settings for Microsoft Windows Installer applications. The MST file can change the properties of a Windows Installer, allowing different user groups custom installation options when installing various computer applications.

MST files are commonly used for software testing and development purposes. These files contain different software configurations and custom software parameters that are built during the software development process. An MST file is usually only one part of a complete installer package, with the actual installer package containing the .msi file suffix.

How to open MST files

Important: Different programs may use files with the MST file extension for different purposes, so unless you are sure which format your MST 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 MST openers which you will find listed below.

Last updated: March 10, 2023

All known file formats using extension .MST

While Windows SDK Setup Transform Script is a popular type of MST-file, we know of 4 different uses of the .MST file extension. Different software may use files with the same extension for different types of data.

M Project

We know that one MST format is M Project. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Mesen Save State

We know that one MST format is Mesen Save State. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Room Arranger Design

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