Popular formats


Opening config files

Have a problem opening a .config file? We collect information about file formats and can explain what config files are. Additionally we recommend software suitable for opening or converting such files.

What is the .CONFIG file type?

The .config extension is used, as the name implies, to denote various configuration files across different platforms. Normally, a configuration file is a plaintext, human-readable and comprehensibly structured file that defines software configuration defaults.

Files with the .config extension are most frequently used in the Microsoft (MS) .NET Framework software-development and runtime environment. In the .NET environment, .config files store machine-wide, user- and application-specific configurable data in an XML-based format.

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Software to open or convert CONFIG files

You can open config files with the following programs: