See how to format an external HDD on Mac on if necessary. To avoid permission issue, try to export iMovie video to the boot drive first, and then copy it from Finder to your external hard drive. iMovie won't write files to NTFS file system. If you're using an external hard drive for iMovie exporting, make sure the file system format is Apple File System (APFS) or Mac OS Extended (HFS+).

Solution: Make sure there is enough disk space at the selected destination. Reasons: Share permissions or not enough disk space for creating a video file. You may get error message like below or something like 'The operation could not be completed'. We hope your problem would be fixed successfully, but if you're not happy with iMovie, here are great iMovie for Mac alternatives for your choice.

We've collected common iMovie not exporting errors and their corresponding solutions. Sometimes it'll turn to be slow, even not responding, or fail to export your projects. You can just import your video, add animated titles, and voila, your movie is ready to share and amaze your audiences.

Not only because it's free, but it doesn't requires any prior knowledge of video editing. It's definitely an ideal choice to edit video and make movies on Mac. IMovie is the first one video editing applications for many Mac users. Most Common iMovie Not Exporting Problems

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