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How Do I Properly Delete Media From iMovie?

I deleted some movie files from a project. But when I did that, my iMovie Library actually went up from 336GB to 356GB! What am I doing wrong?
Background: I probably set up the whole project wrong from the start. I began Project #1 with eight (8) years of select movie files. (yup) From that, I produced a 2012 family video. Then I copied just the 2013 movie files from Project #1 to Project #2, and produced a 2013 family video, and so on. (I’m not very patient, and used to use FCP 6, so I just blasted into iMovie without thinking how to manage storage & projects. My bad.) Thanks for any help on how to properly delete movie files I no longer need.
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Debra

Comments: 5 Responses to “How Do I Properly Delete Media From iMovie?”

    7 months ago

    You just select the media in My Media, and then Command+Delete it. Then it prompts you to confirm. But it sounds like you have already done this. Just make sure you check in all Events under My Media and delete what you don’t want anymore.

    Also, remember to delete the Render files. You can find a button for this in iMovie, Preferences.

    Debra
    7 months ago

    Thank you! Deleting the Render files seemed to do the most good; I’m back to 195GB for the iMovie Library. I also deleted all of my 2013 movie files directly from the iMovie Library instead of just the Project file. That helped a little.

    I think my next step should be to just transfer the entire iMovie Library to an external hard drive. When I do that, is my iMovie Project work actually residing on the computer? while the media files/iMovie Library are on the external drive?

    7 months ago

    Debra: If you move your library, then everything gets moved.

    7 months ago

    Debra: Hold down the Option key when launching iMovie to select the library to use. You’d need to do that after moving your library from the default location. But keep in mind that working with video over a USB connection is going to be very slow. Keep it on your internal drive if at all possible.

    Debra
    7 months ago

    Got it – thank you! With that in mind, I’ll keep it on the internal drive. I really appreciate your help.

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