A daily updated filename extension database!

MP4 file extension

The table below provides useful information about the .mp4 file extension. It answers questions such as:

  • What is the .mp4 file?
  • What program do I need to open a .mp4 file?
  • How can the .mp4 file be opened, edited or printed?
  • How can I convert .mp4 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 1 alias(es) found in database

✅ Mpeg-4 Video Container

Mpeg-4 Video Container .mp4 file icon
MP4 file is an Mpeg-4 Video Container. It is the global file extension for the official container format defined in the MPEG-4 standard. This format allows you to combine different multimedia streams (most of the time audio and video) into one single file.
Category: Video files
Application: Windows Media Player
Mime-type: video/mp4
Magic number: -
Magic string: -
Sample: -
MP4 aliases:
mp4s, mp4v, mpeg-4, mpeg4, mpg4, mpv4, mv4
MP4 related links:
MP4 related extensions:
Microsoft Video for Windows Movie

QuickTime Movie

Mpeg Video

Multimedia Viewer Book

RealMedia File

3GP Video File

Advanced Systems Format Media

Digital Video

Adobe Flash Video File

Indeo Video File

✅ Mpeg-4 Audio

Mpeg-4 Audio .m4a file icon
M4A file is a MPEG-4 audio stream (MP4). MP4 is a better audio compression technology than old MP3.
Category: Audio files
Application: Windows Media Player
Mime-type: audio/x-m4a
Magic number: -
Magic string: -
Sample: -
M4A aliases:
mp4, mp4a
M4A related links:
M4A related extensions:
Audio Interchange File

CD Audio Track

MIDI Music

Real Audio Sound

Macintosh Sound Resource

Amiga 8SVX Sound

Creative Labs Sound Blaster Sound

Windows Waveform Sound

AC-3 Compressed Audio

Mpeg-4 Video Container

Other types of files may also use the .mp4 file extension.

🔄 .mp4 converters

The following softwares are capable of converting .mp4 files to other formats:

FFmpeg, SUPER Media Converter

For example, using the softwares above, a .mp4 file can be converted into one of the following formats:

mpg, avi, webm, flv, wmv, 3gp, ogg, m4v

🚫 The .mp4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hp4, jp4, lp4, m4, m4p, ml4, mp, mpe, mpr, mpt, np4, p4, pm4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft Multiplan Data
Multilizer Project File
Monochrome Picture TIFF Image
Adobe Pagemaker 4.0 Document
Sage MAS 90 Program File
BibExcel MPR Data
Visual FoxPro Menu Program
Music Publisher Backup File
Race Studio 2 Map File
Pegasus Mail General Filtering Rules Data

🔴 Can't open a .mp4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mp4 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mp4 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文