M4V is the common but non-standard use of the MPEG-4 file extensions. It is due to the popularity of Apple’s iPod and the iTunes Store. MPEG-4 is a multimedia container format. It is most commonly used to store digital audio and digital video streams, but can also be used to store other data such as subtitles and still images. The official filename extension for MPEG-4 *.mp4, thus the container format is often referred to simply as MP4.
Here you can find M4V converter apps and learn how to burn M4V to DVD, convert M4V to AVI, M4V to DivX, M4V to MPEG, M4V to FLV, M4V to iPod and other formats.
With DVDVideoSoft freeware you can convert, edit and burn a lot of video, audio and image formats. Plenty video formats are supported: AVI (DivX, XviD, etc.), DVD, H.264, MPG, MPEG (MPEG-1, MPEG-2), MP4 (MPEG-4 for Sony PSP, Apple iPod, Blackberry, etc.), VOB, SWF, DVR-MS, DAT, QuickTime (MOV, QT), WMV, ASF, 3GP, 3G2, DV AVI, FLV, H.263, etc. Key audio formats are supported: WAV, FLAC, APE, OGG, MP3, MP2, WMA, AAC, M4A, AMR. Key image formats are supported: BMP, GIF, JPG, PNG, TGA, PDF.