If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .conf

On this page, we're going to take a closer look at the .conf file extension, which is related to General Configuration.

We'll explain what exactly a .conf file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .conf files into different formats, we'll give you some tips on how to do that too.

Let's see the file format associated with this file extension!


  1. General Configuration

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General Configuration

cfg file - General Configuration
The CNF file is a General Configuration.
Application: -
Program name: -
Mime-type: application/octet-stream
cf, cnf, con, conf, config, pref, prefs, settings
Related extensions:
.env Novell GroupWise Environment Data
.wtf World of Warcraft Config
.rc Runtime Configuration File
.gwi Novell GroupWise Shortcut

The .conf file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .conf extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .conf file extension wrong?

In our database, we came across the following similar extensions:

.cont Panasonic Camcorder Metadata
.con Petrosys Contour Data
.conc Concurnas Source Code
.cnf IR Prognosis Static Configuration
.cof Common Object File
.conv Stylus Studio Data User-defined Converter

The .conf extension is frequently misused

People sometimes confuse the .conf filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

cont (1), con (1), conc (1), cnf (1), cof (1), conv (1), onf (1)

Having trouble opening a .conf file?

If you want to open a .conf file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .conf association can trigger this error.

Windows can't open this file:

File: example.conf

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android