If that happens, then you may have to get a third party video repairing software and fix it. If any of these methods result in video corruption, which leads to unplayable videos file. But as said above, you have to be more careful while converting. There are lots of methods which can be used to convert your M4V video to MP4 format. Once you click on Start button, it initiates file conversion process. Next, Output settings where you have to set MP4 as your output format. Just go to Source button and select the file which you want to convert. HandBrake is free and open source video converter which can be used to convert any digital video file. Method #3: Converting M4V to MP4 using HandBrake Else, converting will corrupt file structure of your M4V file and makes it unplayable. Before proceeding with the conversion process, check whether your M4V file is technically MP4 file or not. It is the easiest way to convert your M4V video file. To fix damaged video you need to use video repair tool.

Most of the time VLC media player crashes during conversion process that can result in video corruption. Step 7: At last, select a location to save your converted file Step 6: Next, go to profile, here you need to set MP4 as your output format Step 5: When Convert window appears, go to Settings and click on Convert radio button Step 4: Click on Convert/Save button which appears on your bottom right corner Step 3: It will take you to Open Media window, where you have to add M4V file for converting Step 2: Next, click on Convert/Savefrom the listing Step 1: Start your VLC media player and select Media from drop down list

Method #1- Converting M4V to MP4 using VLC Simple Methods to Convert M4V to MP4 video format. Note- Before proceeding with m4v video file conversion process, it is recommended to take a backup of video file. But the thing is, you should be more careful while converting video file, because simple mistake may lead to Video file corruption. Here, we explain you how to convert your iPhone M4V video to MP4 format in a simple way. Then, how can you play M4V files recorded by your iPhone on a non-Apple device? So you need to convert it to any other video format likely MP4, as it is supported by all non-Apple devices. Have you ever tried to play iPhone M4V video on non-Apple devices? Well! It is of no use, as M4V video is not supported by non-Apple devices and moreover they are DRM protected.

Handbrake convert m4v to mp4