MP4 files are used to store and watch videos, while MP3 files are used for storing and viewing audio. MP4 and MP3 file formats have the same lineage: both come from the Moving Picture Experts Group file compression format (MPEG). What's more, MP4 and MP3 file formats are quite similar in their properties, the only major difference between the two is the fact that the MP4 format is for video and MP3 for audio.
Converting between the two formats works quite easily. MP4 file format contains video and audio, while MP3 file format contains only audio. This being the case, an MP4 file can be converted to an MP3 file simply by deleting its video content. However, converting an MP3 file to an MP4 file is not that simple, as it is generally not possible to add video to an audio file and convert it to an MP4 file. There are a large number of different applications and programs designed for the Windows operating system that are capable of converting MP4 files to MP3 files.. In fact, including Microsoft's native media player for the Windows operating system, Windows Media Player, is capable of converting MP4 files to MP3 files.
If you have a version of Windows Media Player on your Windows computer and you want to use it to convert an MP4 file to an MP3 file, this is what to do:
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Inicie Windows Media Player.
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Click File> To open…. In the Open dialog box that appears, navigate to the location on your computer where the MP4 file you want to convert to an MP3 file is located, locate the MP4 file and click on it to select it, and click Open to open it in Windows Media. Player.
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Once the target MP4 file is open in Windows Media Player, click File> Save as…. In the Save As dialog box that appears, click the File name field :, move the mouse pointer to the end of the file name (the extension) and change the 4 in the file extension to a 3, changing the extension of. mp4 a .mp3.
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Navigate to the directory on your computer where you want the converted MP3 file to be saved and click Save. As soon as i do this, Windows Media Player will start to convert the MP4 file to an MP3 file and, once converted, will be saved in the designated location on your computer. This process does not usually take long and is quite fast.
Once you have completed all the steps listed and described above, an exact copy of the MP4 file (minus the video part of the file, of course) that you chose to convert to an MP3 file is saved in the directory on your computer that you specified during the process as an MP3 file.
