Cover.mp4 -

Did you want to know more about this feature, or were you looking for a script to implement a background video named "cover.mp4" on a website? One of my favourite music quotes! | Nick Higgs The Singer

Once the boosted version is ready, Google Photos downloads the final high-quality version and typically deletes the massive raw MAIN.mp4 to save space. Cover.mp4

It is a generic filename often used by artists or creators for a video cover of a song (e.g., "Misty Cover.mp4"). Did you want to know more about this