.IFO File Extension
DVD-Video Disc Information File
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What is an IFO file?
An IFO file is a DVD-Video disc information file used by DVD players. It contains information referenced by the DVD player which allows users to navigate and play the contents of the DVD. IFO files work in conjunction with .VOB and .VRO files, which contain the actual audio and video data.
An IFO file consists of headers that tell the DVD player what screen to show at startup, where each chapter starts, where audio tracks are located on the disc, etc. IFO files are often located with VOB and .BUP files on a DVD.
Common IFO Filenames
VIDEO_TS_.IFO - The name of the main IFO file that will play an entire DVD if opened.