File Extension Guru

Everything You Need To Know About File Extensions
Descriptions. Workarounds. Issues

File Extension M4V

File Extension .m4v and Microsoft.Zune.2.M4V

File Extension.m4v
DescriptionMPEG-4 video file
Mime Typevideo/x-m4v
Executable Command
Windows ObjectMicrosoft.Zune.2.M4V

File Extension .m4v and QuickTime.m4v

File Extension.m4v
Description
Mime Typevideo/x-m4v
Executable CommandC:\Program Files (x86)\QuickTime\QuickTimePlayer.exe "%1"
Windows ObjectQuickTime.m4v

File Extension .m4v and

File Extension.m4v
Description
Mime Typevideo/x-m4v
Executable Command
Windows Object

File Extension .m4v and iTunes.m4v

File Extension.m4v
DescriptionMPEG-4 Video File
Mime Typevideo/x-m4v
Executable CommandC:\Program Files (x86)\iTunes\iTunes.exe /open "%L"
Windows ObjectiTunes.m4v

There are many ways to open file with specific file extension. There could be also multiple applications which you can use to open M4V file. Learn more how to open M4V file. Also you can try using hex or text editors like HexView or Notepad++ to open M4V files.
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Extensions covered by File Extension Guru at this moment:

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