Now, click Next… and the video will be exported to MP4. Set the Compress speed as 'Faster' as another option 'Better quality' is normally used when you choose 'Best (ProRes)'.The others will lead to MP4 output format. Do not set the quality with 'Best (ProRes)', the iMovie file will be saved as MOV format. There will be 5 options for you to choose - Low, Medium, High, Best (ProRes) and Customize. Choose the video resolution, and 540p, 720p, 1080p, 2K, 4K, etc are available.You can choose to export 'Video and Audio', or just 'Audio'.Give your file a proper name, or stick with the default My Movie name.After clicking Export File option, you will get a new window asking you to specify a few things. Also, you can share your video via Email, to YouTube or Facebook. * Optionally, you can choose Save Current Frame if you only want to export a section of the movie. To save iMovie as MP4, click the Export File option. After video editing in iMovie, click the icon (a square with an upwards arrow inside it) at the top right corner of the iMovie interface. Advisably, you can convert MP4 to MOV first before importing if you need preview the video.

But, you can still have some basic edits like cropping, resizing, color correction, etc. * Note: If you need to import an MP4 video to iMovie to edit, note that you won’t be able to play the video natively in iMovie though it lets you export video to MP4. Just choose it, and your video will be exported. From options there will be to export the movie file.

To export iMovie to MP4, the quick answer is you need to click the icon at the top right corner, which looks like a square with an upwards-pointing arrow. So, below words will teach you how to save iMovie as MP4. Except those situations, iMovie will export video to MP4. Also, when sharing iMovie file through email or uploading to YouTube, Facebook, or Vimeo, it will be exported as MOV format, which will keep the original video quality yet naturally increase the file size. To be specific, when choosing Best (ProRes) for quality, the iMovie video will be saved as MOV.

Exported audio formats: ACC, MP3, AIFF, WAV.Exported video format: MP4 (for low, medium, high and custom quality), MOV (for ProRes quality only).iMovie can export videos as MOV or MP4 by default. How to Solve iMovie Export MP4 not Working?

Converting imovie to mp4