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Is there any way to recover a few specific files from a deleted EXT4 partition. I deleted all partitions on my 480GB SSD. Afterwards, I created a 200 GB NTFS partition (which is mostly empty) and I have about 280 GB still unpartitioned.

I didn't do a "wipe" (or whatever it's called), so it was a quick deletion process.
I'm currently only running Windows (on a completely different SSD), but I would be happy to boot up a Linux Live CD if needed.

I was going to throw Linux on that unpartitioned 280GB but now I don't want to touch it until I figure out if I can recover that data.

Thank you

You can try TestDisk, Analyse, Quick Search, Stop, Deeper Search. If your ext4 partition is found, you can choose Stop.
Use the arrow key to switch the Linux partition to P(rimary). On next screen, choose Write, confirm, Quit.
If it doesn't work, please copy:paste the testdisk.log file content.