A series of initialization files used in Microsoft Windows 3.1 and Windows for Workgroups that store configuration information about hardware, devices, and services on the computer.
These text files, which have the extension .ini, include:
In addition, individual applications often create their own INI files during installation to store application-specific settings.
Instead of using INI files, Windows 95, Windows 98, Windows NT, and Windows 2000 store all configuration settings in the registry. Most of these files are also included in these operating systems to provide backward compatibility for running 16-bit Windows programs, because such programs were designed to save their settings in INI files and cannot access the registry.