CNF File

What are CNF files and how to open them

Are you having problems opening a CNF file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CNF file?

CNF files have multiple uses, and CA-Simply Money Configuration is one of them. Read more about the others further down the page.

CA-Simply Money Configuration

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open CNF files

Important: Different programs may use files with the CNF file extension for different purposes, so unless you are sure which format your CNF file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 7 different CNF openers which you will find listed below.

Last updated: June 29, 2022

All known file formats using extension .CNF

While CA-Simply Money Configuration is a popular type of CNF-file, we know of 7 different uses of the .CNF file extension. Different software may use files with the same extension for different types of data.

Telnet Configuration File

Files that contain the .cnf file extension are most commonly associated with telnet connection files. These CNF files store the information that the computer uses in order to make a telnet connection.

Files with the .cnf extension may contain the name of the telnet server that is being used as well as the username and the password of the telnet user. The CNF file that is used by the telnet client software works like a shortcut, allowing users quick access to commonly-used telnet sessions.

More file formats using the CNF extension

Through our research of CNF files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Invision Configuration
  • JOC-Configuration Data
  • Lotus 123/Symphony Configuration File
  • PlayStation 2 System Configuration File
  • Varsity Scripsit Configuration File

Various apps that use files with this extension

These apps are known to open certain types of CNF files. Remember, different programs may use CNF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

PCSX2 - Playstation EmulatorPCSX2 - Playstation EmulatorUser submitted
Notepad++Notepad++User submitted
Co*STARCo*STARUser submitted
Direct KiSSDirect KiSSUser submitted

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about CNF file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.