There is only one file type that uses the .OGV extension:
Ogg Video File
An OGV file is a video file saved in the Xiph.Org open source Ogg container format. It contains video streams that may use one or more different codecs, such as Theora, Dirac, or Daala. OGV files can be played using a variety of media players.
Updated: May 6, 2019