File extension MP4 (.MP4) information


Windows cannot open MP4 files?


If Windows is unable to open MP4 files you may not have the appropriate program installed or may have a registry related error.

Format and name:

MPEG-4 Part 14
Appropriate program for file extension MP4:
MP4 files were designed by the Moving Pictures Experts Group (MPEG) as modern multimedia container format primarily for storing and streaming, over the Internet, digital video and audio files (although still pictures and subtitles can also be handled). Scan your system to prevent and identify association errors.


Additional comments:
On all systems MP4 files can be opened and played using a variety of video and media players including Apple QuickTime and Windows Media Player.

Recommendations for MP4 file users:


Free system scan

Step 1:
Select your operating system:


Scan now
More info

File Extension MP4
Scan for file extension problems