
These file types are unrelated, with one being obsolete and the other related to an online game. They are AutoCAD AutoFlix and ROSE Online.

Note that two other file types also use the MOV extension. If unable to open a MOV file with QuickTime, then use VLC media player, which works across many platforms, including mobile. If the MOV file is Version 2.0 or earlier, then it can open with Windows Media Player, but more-recent versions will not open in this player.

One of its defining features is that it stores data in movie “ atoms” and “tracks” that makes highly-specific editing of the files possible.īy default, a MOV file opens with QuickTime. It is known for being useful for saving multimedia files to a user’s device. Users can also preview M4A files by highlighting the file and pressing the spacebar.Īdditionally, M4A opens in VLC media player, Adobe Premiere Pro, Elmedia Player, Winamp, and a host of other programs.ĭeveloped by: ISO/ IEC, Moving Pictures Experts GroupĪpple QuickTime (MOV) is a container that can hold various types of multimedia files, including 3D and virtual reality (VR). For Windows users, the default program is Windows Media Player. For Apple users, iTunes is the default program to open M4A files. M4A files open in most well-known, audio-playback programs, including iTunes, QuickTime, and Windows Media Player. M4A files are smaller in size while simultaneously better in quality than MP3 files, with which it shares the most similarities, in comparison to all other audio file formats. MPEG 4 Audio (M4A) compresses and encodes audio files by using one of two coder-decoder algorithms: Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC).
