CMSTL file format description

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

1 filename extension(s) found in our database.

.cmstl - CET Designer Text Styles Data

The CMSTL data files are related to CET Designer. The CMSTL file is a CET Designer Text Styles 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
Data files
- / -
CET Designer Text Styles Data related extensions:
Vue Color Map Data
Plot Station Plot Request Data
Adobe Acrobat Distiller WLD Data
DB/TextWorks Database
Lego Mindstorms EV3 Robot Brick Data

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

Can't open a .cmstl 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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If you have useful information about the .cmstl file format, then write to us! >> CMSTL file