You can easily convert your PPT to an MP4 video in your macOS by following the steps: Open the PowerPoint presentation you want to convert. If it’s already open, make sure to save all changes by selecting File and clicking Save. Select File, then Export. Select MP4 or MOV in the File Format drop-down menu. XMedia Recode supports AMD, Nvidia and Intel hardware accelerated video conversion. XMedia Recode can only convert unprotected DVDs. XMedia Recode converts: 3GP to AVI, 3GP to FLV, 3GP to MP4, 3GP to MKV, 3GP to MOV, 3GP to WebM, AAC to AC3, AAC to Flac, AAC to MP3, AAC to Opus, AAC to Vorbis, AAC to WAV, AC3 to AAC, AC3 to MP3, AC3 to Flac This free-to-use video converter is compatible with Windows PC and allows converting almost all types of videos to MP4 and MKV format with support for an array of encoders. Using the free video converter to MP4, you can also convert videos from Blu-ray and DVDs. There is an option for live static and video preview to check the output file. Lossless to lossless conversion is lossless; in other words, there is no quality difference when you convert from any audio to car stereo readable formats. To do this on Windows 10, 8 or 7, I recommend Acrok Free Audio Converter. It can convert too and from just about every audio format you will even want to use. The official list of audio formats for Transcribe is .MP4 .M4A .MP3 and .WAV. Strictly speaking that’s only three formats because .MP4 and .M4A are the same MPEG-4 format with different extensions. A little Office-Watch.com testing revealed some more audio formats are accepted. Two of these extra unofficial options can be very useful indeed. Although WAV files can take lots of space to store, they also store audio in high quality. This makes them useful for heavy-use audio storage like professional music recording. WAV files are widely used and can be opened on Windows Media Player, QuickTime Player, VLC, and many more. (The only exception is Linux). How to Convert Video to Audio. 1 To get started, select any video from which you want to extract audio. Our converter supports MP4, MKV, MOV, WEBM, WMV, AVI, FLV, MPG, and 3GP formats. 2 Next, select the output audio format and use the conversion settings. Then click the "Convert" button. 3 After the conversion is complete, you can download the The audio-only file gets saved after removing the video from a movie. QuickTime method 1: Steps to convert video to audio . Transfer your video file from iPhone to Mac. Open the video in QuickTime Player. Select File. Scroll down to click on Export As. Click Audio Only. Figure: Audio Only in QuickTime Player . Name and select location to save eCFw.