Fix OneDrive Cannot Play or Share iMovie MP4 Video
Question details
Users cannot preview or share iMovie MP4 video files hosted on OneDrive, receiving errors indicating no playable data.

- Product
- Microsoft OneDrive
- Device & OS
- not provided
- Scenario
- Uploading and attempting to preview or share an iMovie-exported video within the OneDrive platform.
- Observed behavior
- OneDrive fails to preview the video and reports it contains no playable data, though the file can often still be downloaded and played locally.
Verify that your internet connection is stable enough for large file uploads, and ensure you have enough local storage to temporarily re-export your video from iMovie.
Re-export the Video from iMovie with Compatible Settings
Exporting your video using standard resolutions and compressions ensures compatibility with OneDrive's built-in web player.
OneDrive's web previewer requires specific codecs and settings to process video data. Re-exporting the video with optimized iMovie settings often resolves these playback issues.
Open your project in iMovie, click on 'File' in the top menu bar, select 'Share', and then choose 'File'.
Set the format to 'Video and Audio', resolution to '720p' or '1080p', quality to 'High', and compression to 'Faster'.
Save the file and open it in QuickTime Player on your local machine to ensure the video exported correctly and plays without errors.
Delete the original problematic video from your OneDrive folder, then upload the newly exported MP4 file. Wait for the upload to reach 100% before testing the preview.

Convert the MP4 Video to H.264 Codec
If re-exporting does not fix the issue, converting the file to the universally supported H.264 codec guarantees browser compatibility.
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Frequently Asked Questions
Why does my MP4 play on my local device but not on OneDrive?
OneDrive's online previewer supports a limited set of video codecs, primarily H.264. If your iMovie file uses a different codec, OneDrive cannot preview it online, even if your native desktop media player can seamlessly decode it.
Can I still share a video if OneDrive says it has no playable data?
Yes. You can still generate and share a link to the file. The recipient will not be able to watch the video directly in their web browser, but they can easily download the file to play it locally on their computer.
Does a poor internet connection affect OneDrive video playback?
Yes. If your internet connection drops or fluctuates during a large file upload, the video file may become incomplete or corrupted on the server, which frequently results in a 'no playable data' playback error.




