Instructions
Power on the PlayStation 3. Navigate to the "Game" menu.
Select "Saved Data Utility." Locate the game file you wish to move, press the "Triangle" button on the PS3 controller to copy the file.
Select the PS3 directory to which you wish to copy the game file. You are prompted to select a directory after selecting "Copy" in the previous state. Confirm the location and the PS3 will begin copying the game file to the desired PS3 directory.