CFG File - opening and understanding

Did your computer fail to open a CFG file? We explain what they are used for and recommend software that we know can open or otherwise handle your .CFG files.

What is a CFG file?

The .cfg file extension is assigned to a computer's configuration files. Configuration files are used by a wide range of programs and applications. The information within some CFG files contains a program's initial configuration and settings.

Some files with the .cfg file extension are also created when you change the settings of a particular program or computer application. For example, if you change the interface settings of a particular application the application will create a new CFG file to accommodate those settings.

Files that have the .cfg file extension are usually written in ASCII code, although the files may be stored in a different format depending on the application that it was created with.

How to open CFG files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension CFG for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different CFG openers which you will find listed below.

Suggest another file format using extension CFG

While we know of one file format using the .CFG file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CFG file.

Various viewers for this file format

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

Free File ViewerFree File ViewerUser submitted
WinRARWinRARUser submitted
Final Media PlayerFinal Media PlayerUser submitted
Microsoft Web Platform ExtensionsMicrosoft Web Platform ExtensionsUser submitted
Notepad++Notepad++User submitted
Microsoft Windows Media PlayerMicrosoft Windows Media PlayerUser submitted
iTunesiTunesUser submitted
sakura editorsakura editorUser submitted
7-Zip7-ZipUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
We have not verified any software that we know for certain will work with CFG-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CFG-files. If you know one, please use the 'Suggest a program' link below and tell us about it!