Here is a comprehensive list of files you can upload to MeetinVR through our web platform.
Images: .jpg .jpeg .png and maximum resolution 2048x2048
Videos: .avi .mpg .mpeg .mp4 .mkv .3gp .flv
Documents: .pdf
360 Videos: .mp4 and 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.