.IDF File Extension

MIDI Instrument Definition File

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What is an IDF file?

Defines the parameters for a specific MIDI instrument, such as a MIDI keyboard or other MIDI controller; provides an instrument ID, patch names (voices), a key map, channel assignments, and other information.

More Information

IDF files are usually referenced by audio production programs and typically should not be opened manually.

Programs that open or reference IDF files

Windows

Windows IDF Editor

Any text editor

Mac

Any text editor

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