An mst file extension is related to the Visual Test source data format. Probably obsolete format.

There are 6 other file types using
the MST file extension!

mst icon.mst - Steam Client data

mst icon.mst - Corel Presentations master template

mst icon.mst - Windows Installer transform script

empty icon.mst - ChemFinder chemical structure index file

empty icon.mst - Pension System Master data

empty icon.mst - Room Arranger design data

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MST file extension - Visual Test source data

What is mst file? How to open mst files?

File type specification:

Source code and script file type icon Source code and script file type

Known as MS - Test, developed by Microsoft as testing tool for Windows. Later sold to Rational Software (now IBM). Used to automation testing of Windows applications. No further information could be found.

This mst file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: March 8, 2019

The default software associated to open mst file:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .mst file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .mst file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mst file, edit mst file, convert mst file, view mst file, play mst file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting mst files.

Programs that can create mst file - Visual Test source data

Programs supporting the exension mst on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Windows for create mst file action.

Microsoft Windows:

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