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About INI Files

An .ini file is a configuration file that stores settings a program uses to determine how it should operate. INI files often contain simple options, such as display preferences, file locations, application settings, or information about which features to enable. They commonly organize these settings into named sections and use entries that pair a setting with its value, making the contents relatively easy to read and edit.

INI files became widely used in Microsoft Windows applications to keep program settings separate from an application's main code. Software developers use them to define default settings, while users and system administrators may edit them to customize programs or troubleshoot configuration problems. Although many newer Windows applications store settings in other formats, INI files remain common in older software and some current applications.

You can typically open and inspect an .ini file with a plain text editor or a source code editor. The .ini extension does not guarantee a single standardized format, so the available settings depend on the program that uses the file. Before editing an INI file, it is a good idea to make a backup, since changing or removing settings may cause the associated program to behave differently.