Img_3147.m4v

The .M4V file format is a video container developed by Apple. It is very similar to .MP4 , but it can sometimes include DRM (Digital Rights Management) protection if purchased from the iTunes Store. However, when coming from your camera roll, it is simply a high-quality video file compressed using the H.264 codec. Common Issues and Solutions

Use a tool like Handbrake to re-encode the video into a standard MP4 format. Why is my computer showing this name? IMG_3147.M4V

If you need the file to be more "universal" for editing software or older devices: when coming from your camera roll