Go to Apps. Select “ Default apps ” on the left side of the screen. Scroll down the right pane and click on the “ Choose default apps by file type ” link. Scroll down the Name section to find the “ .MP4 ” option. Click on the button on the right and select the media player you want to set. Then close the Settings window.
Part 1. Easiest Way to Export/Convert Windows Movie Maker Files to MP3; Part 2. Export Your Files to MP3 from Windows Movie Maker; Part 3. Recommend Online Free Windows Movie Maker to MP3 Converter; Part 1. Convert Windows Movie Maker Videos to MP3 in the Easiest Way. You can use UniConverter to export and convert Windows Movie Maker files to MP3.iL9gnlD.