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

While macOS and iOS handle these natively, Windows Media Player might struggle. IMG_3147.M4V

Surprisingly, you can often just change the extension from .m4v to .mp4 manually, and most players will still read it. when coming from your camera roll

If you need the file to be more "universal" for editing software or older devices: Windows Media Player might struggle. Surprisingly

Video files named IMG_XXXX are often recorded in 4K or 1080p, making them hundreds of megabytes.