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Videos do not play when exported as movie from Keynote

I'm inserting a mp4 movie from imovie into keynote 13.2 to custom size it for instagram stories but after exporting to movie from keynote, it does not play. It does play while in keynote. This process stopped working after the last update. The export setting are set for self playing.


Thanks for any help.

iMac 27″

Posted on Sep 30, 2023 9:12 AM

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Question marked as Top-ranking reply

Posted on Sep 30, 2023 3:21 PM

Hi there


I'm having a similar issue.


Whilst a video will play quite happily in my Keynote presentation, when exporting (with correct settings), the resulting 'movie' is glitchy and out of synch.


It's driving me insane!


Anyone know if this is a bug?

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11 replies

Dec 9, 2023 11:27 PM in response to steve fortier

Here is how I fixed mine:

1 - Make a duplicate of your original Keynote

2 - Right Click on the Duplicate of your Keynote and view the package contents.

3- Open the folder called “Data” and remove your embedded videos contained within it by moving them to another location or folder like your desktop.

4 - Re-encode your videos using “Handbreak.app” with similar format settings but outputting them with “Fast 1080p30” with video encoder set to “MPEG-4”

5 - Open the duplicate keynote file in keynote app. It should say the movies embedded are corrupt.

6 - Replace the media now in the document with your new re-encoded videos.

7 - Now export from keynote again and your new movie will look a lot better.

Videos do not play when exported as movie from Keynote

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