How can I free up space by deleting photos on iMac?

I have got far too many photos on my Mac. I have two Photos libraries. I want to cull a lot. I need to get a new computer and want to tidy it up first! I have deleted many videos but the space taken up by my photos still remains the same. I have deleted from the recently deleted folder too.

Please- what am I doing wrong?


[Re-Titled by Moderator]

iMac 21.5″, macOS 10.15

Posted on May 23, 2025 8:49 AM

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2 replies

May 24, 2025 1:29 PM in response to sallyfrominverness

Be careful as you switch computers. You say that you're running Catalina on your older iMac. When you get the new Mac, it will need to update a Photos Library to its newer Operating System. After that, the Photos Library won't be readable to the old iMac. So you may want to keep backup copies.


You may have already thought about your System Library or about iCloud-- let us know if you need help with that stuff.

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How can I free up space by deleting photos on iMac?

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