Here is a comprehensive list of files you can upload to MeetinVR through our web platform.
Images: .jpg .jpeg .png with a maximum resolution of 2260 x 2260 or 5.1 million pixels.
Videos: .avi .mpg .mpeg .mp4 .mkv .3gp .flv
Documents: .pdf
360 Videos: .mp4 with a maximum resolution 1920x1080
360 Images: .png, .jpeg
You will need to tick the checkbox yourself in the web portal to mark it as a 360 video/photo.