Can media player play MP4 files?
You can play back . mp4 media files in Windows Media Player when you install DirectShow-compatible MPEG-4 decoder packs.
Why can't i play MP4 videos on media player?
If your media player can't play MP4 files on Windows 10 or Windows 11, check if it supports MP4 format. If it doesn't, then install the relevant codecs. To install MP4 codecs on Windows 11/ Windows 10, you can get a codec pack such as K-Lite or Media Player Codec Pack or other.
How do I add MP4 files to Windows Media Player?
How do I convert VLC to MP4?
What file type does media player support?
Why won't media player play my video?