.mp4 and .mkv with H.264 or H.265 codecs.
When searching , target these genres, as they have the most high-quality legal freebies: vr movies download free
This is a social VR app where you can sit in a virtual cinema. While they sell tickets for some blockbuster movies, there are always public rooms where people host free screenings of 2D and 3D films. Meta Quest TV: target these genres