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How to Make Windows Media Player Play MP4 Video? In case, the video or audio streams are encoded by codecs that are not supported by WMP 12, then Windows Media Player won’t play your MP4 video files or you encounter issues like sound not playing, no video, other synchronization issues, or all of these. MP4 is a container format that comprises multiple video and audio streams. Why MP4 File Does Not Show Video With Windows Media Player?Īccording to Microsoft’s list of file types supported by Windows Media Player, it is clear that Windows Media Player 7, WMP for Windows XP, WMP 9 Series, and Windows Media Player 10/11 don’t support the MP4 file format.Įven though Windows Media Player 12 plays MP4 videos, it doesn’t support playback of all MP4 file formats. However, your Windows Media Player may fail to play these MP4 videos or you might experience video or audio playback issues in the file. MP4 is a well-known video file format that can be played on various devices and media players. The WMP cannot play the video of my MP4 file.

The video played well in Camtasia Studio player but, not on Windows Media Player.

“I created an important MP4 video file using Camtasia Studio.

Camtasia studio has stopped working project lost