File Extension M4V

  • Full name
    MPEG-4 Video File Format
  • Developer
  • Popularity
Have you encountered a problem with a M4V file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a M4V file here. In the further part of this page we have added a list of programs that should open your M4V file. It is enough you choose a proper application for your operating system, download and install it.


The extension M4V denotes MP4 files containing only video streams.

The MPEG-4 Part 14 or MP4 format, which is marked by the extension mp4 as avi and mov a container format. It is based on Apple Quicktime.

The video streams may be encoded in various compression methods.

Supported MPEG 1, 2 and 4. MPEG 4 contains such codecs as Xvid, Divx and H264 and is mostly used.

mp4 files can also contain additional metadata.

The contents of the file may also be protected by DRM (Digital Rights Management). Then you need a corresponding, possibly paid license to view the content.

For mp4 files that contain only one type of data, other endings are also in use. M4a for audio, m4b for audiobooks.

Programs which can open a M4V file

How to open a M4V file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the M4V file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a M4V file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support M4V files. At this point we are looking for disk space where the application was installed in and we can link it with a M4V file. Since then, our operating system will use the selected program to support all M4V files.

Other issues

Despite the described problem with M4V there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the M4V file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the M4V file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

Similar extensions