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Editing for PlayStation 3
DISE supports saves for PlayStation 3 out of the box.
Using the Saved Data Utility on a PlayStation 3, the saved game can be copied to and from a USB drive and accessed in DISE from the main menu.
No devices detected
If you get this message when attempting to load your saved game from USB, make sure that you have copied your saved game onto the USB drive. If there are other USB drives connected then you can also try to disconnect them. If it does not help then please try a different USB drive.