CMLIGHT file format description

Many people share .cmlight files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmlight file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmlight files.

1 filename extension(s) found in our database.

.cmlight - CET Designer Light Settings Data

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

CET Designer
Configuration files
- / -
CET Designer Light Settings Data related extensions:
Nord Modular G2 Performance Data
Adobe Dreamweaver Code Validation Configuration
MultiView Emulation Details
CodeWarrior Preferences Panel Data
Windows NT Setup Information File

Naturally, other applications may also use the .cmlight file extension. Even harmful programs can create .cmlight files. Be especially cautious with .cmlight files coming from an unknown source!

Can't open a .cmlight 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 a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems currently supports the following operating systems:

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

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