>> CNF file

CNF file format description

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

2 filename extension(s) found in our database.

.cnf - Origin Configuration File

The CNF configuration files are related to Origin. CNF file is an Origin Configuration File. Origin is a software application with tools for data analysis, publication-quality graphing, and programming.

Configuration files
- / -
Origin Configuration File related extensions:
Origin Fitting Function Definition File
Origin Code Builder Object
Origin Encrypted C Source Code
Origin Graphs Data
Origin Matrix Data
Origin Graphic Object

.cfg - Configuration File

CNF is a general configuration file extension.

Configuration files
- / -
cf, cnf, con, conf, config, pref, prefs, settings
Configuration File related extensions:

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

Can't open a .cnf 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.

The .cnf file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cbf, cng, cmf, cgf, fnf, ncf, dnf, cnt, cnd, cnb, vnf, nf, cf, cnv, cnr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BSPlayer Chapter File
CryptoNG Encrypted File
CryENGINE Geometry Format Data
ChessBase Old Game Database
PTC Creo FEM Neutral Format Document
Creative Labs Music File

Operating systems

DataTypes.net currently supports the following operating systems:

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

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If you have useful information about the .cnf file format, then write to us!

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