to know the cause and how to fix it when opening a mov file without an image, please read tipsmake's article.
today, most pcs and apple devices can handle both mov and mp4 files, at least to some extent. however, the need to convert mov video files to mp4 files has not decreased.
this wikihow teaches you how to turn an mov video file into an mp4 video file. you can use an online converter to do so, or you can download and use a free program called
a file with a .mov extension is an apple quicktime video file.
technically, the iphone 4 can capture 5 megapixel resolution images, and hdtv1280 x 720 standard video or simply 720p. for example, as follows, with a video file recorded by
to convert h.264 video format from other formats such as avi, wmv, mp4, mov, flv, mkv, m4v, mpg, mpeg, vob ... and vice versa you can use winx h software .264 video converter