The CNF file extension is related to the Lotus 1-2-3 a spreadsheet editing software. The *.cnf file stores configuration data.

There are 3 other file types using
the CNF file extension!

empty icon.cnf - Network configuration file [common]

empty icon.cnf - MySQL startup configuration file

empty icon.cnf - KiSS paper doll set file

Detailed description

Software that works with cnf file extension

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CNF file extension - Lotus 1-2-3 configuration file

What is cnf file? How to open cnf files?

File type specification:

Configuration file type icon Configuration file type

cnf file icon: cnf filetype icon

The CNF file extension is associated with the Lotus 1-2-3 a  spreadsheet editor developed by IBM and distributed as a part of Lotus SmartSuite. The CNF file contains configuration options of Lotus 1-2-3. In default the Lotus 1-2-3 configuration file is called 123.cnf.

The default software associated to cnf file type:

Lotus 1-2-3 icon

IBM logoLotus 1-2-3  Microsoft Windows software

Company or developer:

IBM Lotus 1-2-3 is spreadsheet application very popular in 80s and 90s of 20th century. It was released for Microsoft Windows, MS-DOS, Mac OS and OS/2. In 2002 IBM stopped the developing of the IBM Lotus 1-2-3. In the latest versions is Lotus 1-2-3 fully compatible with Microsoft Excel.

Lotus SmartSuite picture or screenshot

IBM logoLotus SmartSuite  Microsoft Windows software

Company or developer:

Lotus SmartSuite is office suite for Microsoft Windows developed by IBM that includes Lotus 1-2-3 spreadsheet, Word Pro word processor, Lotus Organizer personal information manager, Freelance Graphics presentations, and Approach relational database system.

Help how to open CNF files:

Currently there is no specific information available, about how to open this file extension.

How to convert file with extension CNF:

Currently there is no specific information available, about how to convert this file extension.

List of software applications associated to the .cnf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open cnf file, edit cnf file, convert cnf file, view cnf file, play cnf file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting cnf files.

  • Settings cnf file
  • Others cnf file

Settings file type for software that use cnf file - Lotus 1-2-3 configuration file

Click on the link to get more information about Lotus 1-2-3 for settings cnf file action.

Microsoft Windows:

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