Img_3147.m4v Online

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

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

Use a tool like Handbrake to re-encode the video into a standard MP4 format. Why is my computer showing this name? Surprisingly, you can often just change the extension from