Impossible to view Nikon Coolpix L840 MXF files in iMovie

What's the best workflow between Nikon Coolpix L840 MXF footage and Apple iMovie for Mac? How can I import Nikon Coolpix L840 MXF files into iMovie for editing? If you are having problems using Nikon Coolpix L840 MXF clips in iMovie, you may have interest in this tutorial. It walks you through how to encode Nikon Coolpix L840 MXF video to AIC .mov for use in iMovie with optimum performance.

"Nikon Coolpix L840 MXF import to iMovie is impossible since upgraded to version 10.1.8 with macOS High Sierra. I am pretty sure that the previous version of iMovie (10.1.7) on Sierra was able to import MXF files from my Nikon Coolpix L840. Since the newest update today, it has become impossible to do that. Is anyone else experiencing this problem? Any ideas to go through this issue? Please help!"

Indeed, this is a High Sierra issue. Currently, to be able to use Nikon Coolpix L840 MXF footage in iMovie correctly, you could convert the Nikon Coolpix L840 MXF files to AIC .mov first, and iMovie will read the transcoded files in that way.

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How to encode Nikon Coolpix L840 MXF files to AIC .mov for iMovie editing?

To transcode Nikon Coolpix L840 MXF video to AIC for iMovie editing, do as below: Download Video Converter for Mac

Video Converter (It is available for Mac, simply download the proper version depending on your computer.)

Step 1: Click "Add File" to load Nikon Coolpix L840 MXF video files into this program.

Step 2: Select output format for iMovie Click "Profile" to select "iMovie and Final Cut Express" > "Apple InterMediate Codec(AIC) (*.mov)" as output format. AIC .mov is iMovie's favorite editing codec, which iMovie will read and handle well.

Tips: If necessary, you can click "Settings" button to modify video and audio parameters like encoder, resolution, frame rate, bitrate, aspect ratio, sample rate, and audio channels. You can also "enable 3D Settings" to add 3D effect to your source media.

Step 3: Click "Convert" to start Nikon Coolpix L840 MXF video to iMovie conversion. As soon as the conversion is complete, click "Open Folder" to get the generated AIC .mov files for editing in iMovie with optimum performance. Hope it helps.