M4V file format description

Many people share .m4v files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .m4v file can be edited, converted or printed with. On this page, we try to provide assistance for handling .m4v files.

1 filename extension(s) found in our database.

.m4v - iTunes M4V Video

The M4V video files are related to QuickTime Player. M4V file is an iTunes M4V Video. The M4V file format is a video container format developed by Apple, M4V files may optionally be protected by DRM copy protection.

Application:

QuickTime Player

Category:

Video files

Mime-type:

video/x-m4v

Magic:

- / -

Aliases:

iTunes M4V Video related extensions:

.usm: USM Game Video
.sub: VobSub Subtitle
.idx: VobSub Subtitle Index
.n3r: Panasonic Security Camera Recorded Video
.m65: REI Camera System Video
.encm: Panasonic Encrypted Video

Naturally, other applications may also use the .m4v file extension. Even harmful programs can create .m4v files. Be especially cautious with .m4v files coming from an unknown source!

Can't open a .m4v 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 can't open this file:

example.m4v

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Open Control Panel > Control Panel Home > Default Programs > Set Associations.
Select a file type in the list and click Change Program.

The .m4v file extension is often given incorrectly!

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

m4, m4b, m4c, m4d, m4f, mev, mrv, mtv, mv, mv4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.m4c: IBM Voice Type Languages Newuser Data
.m4f: Sony Network Camera MPEG-4 Video
.mtv: AMV Encoded Video
.mv4: Mpeg-4 Video Container
.mrv: Marvin Document Format File
.m4: M4 Macro File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

https://datatypes.net/open-m4v-files

If you have useful information about the .m4v file format, then write to us!

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