3 steps to open file with CFG extension

Usually solving problems with CFG file is simple – just install proper software and open the file. Read the guide and open CFG file now!

CFG File Extension

  • File type Configuration Format
  • File developer N/A
  • File category Settings Files
  • File popularity rating
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What is a(n) CFG file?

The settings file with the extension .CFG allows you to store the settings and configuration of individual programs saved in text format, allowing you to quickly implement new or restore factory settings. They are usually used when using highly personalized software in a temporary workplace.


How to open CFG file?

There could be multiple reasons for which the system does not support given file. In the case of CFG extension, it is probable that none of the installed programs support given file type. Therefore, user should undertake the following steps

Step 1: Install a program that supports CFG files

If an application that supports CFG files is installed on user’s system, but is not used to open such files by default, right-click on the file icon and choose "Open with" option from the menu. Next, select the proper application and check the "Always use the selected application to open this kind of files" box. The system will store this information in its registry and use the selected program to open files with CFG extension by default.

Hint for Mac OS users


For Mac OS users the procedure is analogous – open the file menu by right-clicking on the CFG file and choose "Information" option and select "Open with program" option. From the submenu select an application and click on "Change all" button.

Step 2: Find and download proper software

Inability to open CFG files may also be related to the lack of any application that supports given file being installed on the system. Should that be the case, user needs to download and install one of the following applications. Once installed, the system will automatically associate newly installed application with CFG files. If this step fails, see step 1.

Programs that support files with CFG extension

Step 3: Check the CFG file for errors

Sometimes, although relatively rarely, steps 1 and 2 might not lead to expected results. There can be several reasons for such situation to occur:

  • CFG file has been downloaded from the internet but for some reason it is incomplete. In such case the file should be re-downloaded and opened again.
  • Structure of given CFG file could be corrupted and as such the program is not able to open the file
  • Storage medium on which the file was stored is damaged
  • It is important to ascertain that the icon representing given file is not a shortcut a related CFG file no longer present in the location to which the shortcut points
  • If the user account has restricted access privileges it is advised to contact the system administrator or an IT expert

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