MP4 File Extension

TIP: Run a Free Scan for .MP4 File Errors.

.MP4 (MPEG Audio Layer 4) is a multimedia container format, and is often used to store digital audio/video streams. The MP4 format can hold many different types of data such as audio, video, pictures and even text.

As the file is a container/wrapper format, it can potentially store any number of files making it ideal for holding video with subtitles or enhanced podcasts with pictures.

How to Open .MP4 (MPEG 4 Video File) files

Windows

Mac OS

Linux

Additional extension information

File type:	Video
Popularity:	Widespread
Author:	Microsoft
MIME type:	Not specified

Visitor comments

Jim

2007-04-09 20:42:03

If you need to create MP4 files, you can use mp4UI. If you just want to play the MP4 file, you'll need the MP4 codec from http//www.free-codecs.com/

ahmad battal

2008-08-30 04:36:59

how to make videos run on VCD from digital camera that its file extension is (avi) without problems or wrongs.that means converting from one extension to other with keeping sound and movie as same when recorded.

ajith

2008-09-08 04:26:06

how can we compress the mp4 file of 70mb?

jathin

2008-10-21 02:58:33

what is the difference between .mp3 and .3gp?

JUShua

2008-11-15 13:14:08

how can i make a mpeg-4 file a mp4 file?

Zelalem

2009-02-17 10:36:01

Can I store two different video types in the same file? I mean like one encoded with h264 and another with h263. I want them to be stored in the same file to do some experiment.

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MPEG 4 Video File