CF file format description

Many people often share .cf 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 .cf files. To address this issue, we have created this page to offer assistance and guidance on handling .cf files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cf files.

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

4 filename extension(s) found in our database.

.cf - Sendmail M4 Configuration File

The CF configuration files are related to Sendmail (Unix). The CF file is a Sendmail M4 Configuration File. Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and -delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.

Application:Sendmail (Unix)
Category:Configuration files
Magic:- / -

Sendmail M4 Configuration File related extensions:

  • pjsua PJSUA Configuration
  • tbk TQSL Configuration Backup
  • wmlrc Website META Language Configuration File
  • mbxcfg Molebox Configuration Data
  • ssu Windows SteadyState User Profile
  • env Novell GroupWise Environment Data

.cf - CFEngine Policy Data

The CF data files are related to CFEngine. The CF file is a CFEngine Policy Data. CFEngine is a configuration management system that enables system administrators to define the desired end states of IT-systems throughout their organizations.

Category:Data files
Magic:- / -

CFEngine Policy Data related extensions:

  • tcdb CFEngine Database

.cf - 1C:Enterprise Configuration Data

The CF data files are related to 1C:Enterprise Platform. The CF file is a 1C:Enterprise Configuration Data. 1C:Enterprise is a universal cloud and on-premise system of programs for automating a company’s financial and wider operational activities.

Application:1C:Enterprise Platform
Category:Data files
Magic:- / -

1C:Enterprise Configuration Data related extensions:

  • wmg SecureDoc Encrypted Hard Drive Control File
  • mmc Microsoft ClipArt Gallery Catalog
  • pnml Petri Net Markup Language Data
  • cpx CorelDraw Exchange Compressed Drawing
  • cuix Autodesk AutoCAD Custom User Interface
  • tsc Top Secret Crypto Gold Encrypted Data

.cfg - General Configuration

The CNF file is a General Configuration.

Category:Configuration files
Magic:- / -
Aliases:cf, cnf, con, conf, config, pref, prefs, settings

General Configuration related extensions:

  • qop Autodesk 3D Studio MAX Quad Options
  • jdw BlackBerry JDE Workspace
  • vis FDS Imaging Software HW Configuration
  • xgs XACT Global Settings
  • ssh OpenSSH Configuration Data
  • siz Oracle 7 Configuration Data

Be careful.

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

Can't open a .cf 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 .cf file

To set the .cf 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 .cf file association. Many applications can open .cf files without requiring any specific file association to be set.

The .cf file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

cb, cc, cd, ce, cg, cr, ct, cv, df, fc, ff, sf, vf, xf

Is it possible that the filename extension is misspelled?

There is a possibility that the .cf filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .cf:

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

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