A csm file extension is used by Valve Steam game backup files.

There are 2 other file types using
the CSM file extension!

csm file icon.csm - Borland C++ precompiled header file

csm file icon.csm - 3ds Max Character Studio Maker file

Detailed description

Software that works with csm file extension

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CSM file extension - Valve Steam game backup

What is csm file? How to open csm files?

File type specification:

Backup file type icon Backup file type

The csm file extension is related to the Steam, a software for Microsoft Windows, Apple Mac and Linux operating systems, which enables users to download and manage games from Steam distribution service.

The csm file contains backup from games download via Steam.

The default software associated to csm 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 CSM files:

Use Steam to open *.csm backup files.

How to convert file with extension CSM:

Currently there is no specific information available.
For general information try to look at:
Basic info how to convert backup files

List of software applications associated to the .csm 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 csm file, edit csm file, convert csm file, view csm file, play csm 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 of the csm files.

  • Open csm file
  • Create csm file
  • Recover csm file

Software that open csm file - Valve Steam game backup

Click on the link to get more information about listed programs for open csm file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Linux/Unix:

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