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.CONFIG File Extension

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Configuration File Icon
File Type
This file is saved in a plain text format.
Therefore, you can view the contents of the file in a text editor.
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Configuration File
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CategoryDeveloper Files
File Format Description

Configuration information file used by various applications; contains plain text parameters that define settings or preferences for building or running a program; often referenced by software development programs for configuring applications.

An example CONFIG file is Microsoft's Web.config file, which can be edited with Visual Web Developer, a program included with Microsoft Visual Studio. This file contains XML configuration information that controls how a website works, from individual pages to an entire ASP.NET application.

NOTE: Since CONFIG files are stored in plain text, you can view and edit them with a text editor such as Microsoft Notepad. However, you should not edit a CONFIG file without first knowing its contents, since it may corrupt the file and cause its associated application to malfunction.

Program(s) that open .CONFIG files
Updated 9/14/2010