File Extension Database

Open CSM File

CSM is a file extension normally associated with the Character Studio Marker format created by Autodesk. These files are considered text files and are directly associated with the 3DS MAX software, as they contain placeholders for a 3D character in ASCII format.

3DS MAX is a 3D graphics and animation creation program developed by Autodesk. On the other hand, CSM files are used to store backup copies in games and software developed by Steam, a digital distribution service; containing the backup data of a game.

In this application, CSM files are required for restoring backups, in case of losing the game sequence.

How Can I Open CSM File on Windows

We researched and learned that the best way to open CSM file is to find a CSM file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a CSM file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open CSM file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as CSM file opener then try to search online for "CSM viewer", "application to open CSM file" or "open CSM file" queries in the search engine you like.
Install the application you found and check if it can open CSM file

How Can I Open CSM File on Mac OS

We recommend to find a CSM file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a CSM file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with CSM file.
If you know the Mac OS application which can work as CSM file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open CSM file in it.
If you don't know the application which can open CSM file then try to search for "CSM viewer", "application to open CSM file" or "read CSM file" queries in the online search engine you like.
Install the application you found and check if it can read CSM file

How Can I Open CSM File on Android

If you downloaded a CSM file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded CSM file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "CSM".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "CSM viewer", "CSM file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open CSM File on iPhone or iPad

To open CSM File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the CSM file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "CSM". This way you can find apps which can open CSM files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "CSM viewer" or "CSM file" online in your favorite search engine.