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

mst file icon.mst - Corel Presentations master template file

mst file icon.mst - Visual Test source file

mst file icon.mst - Windows Installer transform script

mst file icon.mst - ChemFinder chemical structure index file

mst file icon.mst - Pension System Master file

mst file icon.mst - Room Arranger design file

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MST file extension - Steam Client data file

What is mst file? How to open mst files?

File type specification:

Various data file type icon Various data file type

mst file icon: mst filetype icon

The mst file extension is associated with Client for Steam a digital distribution and social network available for Windows, Mac and Linux developed by Valve.

The *.mst files contain some sort of data used by Steam.

The default software associated to mst file type:

Steam icon

Valve Corporation logo Steam  Microsoft Windows software

Company or developer:
  Valve Corporation

Steam is digital distribution and multiplayer platform. It is used to distribution of computer games, game updates and also has chat and in-game voices features. On Steam distribute many game developers, such as Electronic Arts, Activision, Bethesda Softworks, id Software etc. Steam is available for Microsoft Windows, Mac OS X and Playstation 3.

Steam for Mac icon

Valve Corporation logo Steam for Mac  Apple macOS / Mac OS X software

Company or developer:
  Valve Corporation

Steam for Mac is digital distribution and multiplayer platform used for distribution of computer games, game updates and also has chat and in-game voices features. On Steam distribute many game developers, such as Electronic Arts, Activision, Bethesda Softworks, id Software etc.

Steam for Linux icon

Valve Corporation logo Steam for Linux  Linux/Unix software

Company or developer:
  Valve Corporation

Steam for Linux is digital distribution and multiplayer platform used for distribution of computer games, game updates and also has chat and in-game voices features.

Help how to open MST files:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert file with extension MST:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

List of recommended software applications associated to the .mst file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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).

  • Others mst file

Unspecified and all other actions for computer programs working with mst file - Steam Client data file

Click on the software link(s) for more information. Suggested software applications use mst file type for internal purposes and/or also by different way than common edit or open mst file actions.

Microsoft Windows:

Apple macOS / Mac OS X:

Linux/Unix:

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