Img_3147.m4v Online

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

Upload the file to Google Drive , iCloud , or Dropbox and share the link instead of attaching the raw file. IMG_3147.M4V

While macOS and iOS handle these natively, Windows Media Player might struggle. Surprisingly, you can often just change the extension from

Here is a blog-style guide on how to handle files like . What is an .M4V file? making them hundreds of megabytes.

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