CMSCL file format description

Many people often share .cmscl files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .cmscl files. To address this issue, we have created this page to offer assistance and guidance on handling .cmscl files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cmscl files.

Our aim is to simplify the process and promote seamless use of the .cmscl file format.

1 filename extension(s) found in our database.

.cmscl - CET Designer Schemes Data

The CMSCL data files are related to CET Designer. The CMSCL file is a CET Designer Schemes Data. CET Designer is a complete design, specification and visualization tool, allowing you to complete every step of the proposal process in one program.

Application:CET Designer
Category:Data files
Magic:- / -

CET Designer Schemes Data related extensions:

  • avt Marvelous Designer Avatar
  • cspl Mozilla Firefox CSPL Data
  • map NI REAKTOR Wavetable Data
  • mew MultiEdit Encoded Status Data
  • ovt Orbit Vector File Tiled
  • win Opera Saved Session

Be careful.

It is important to understand that the .cmscl file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .cmscl extension to create files. This includes potentially harmful programs or malware that may generate .cmscl files for various purposes. Be especially cautious with .cmscl files coming from untrusted or unknown sources.

Can't open a .cmscl file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .cmscl file

To set the .cmscl file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .cmscl file association. Many applications can open .cmscl files without requiring any specific file association to be set.

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

Verified by

The verification conducted by the team ensures that the information presented is accurate, reliable, and thoroughly researched. Users can rely on as a trusted source of information, knowing that their team's dedication to verification and quality control provides a dependable resource for staying informed. is not liable for the content and accuracy of external links, even if we exercise careful control over them.

If you find the information on this .cmscl page useful, please feel free to link to this page. >> CMSCL file