Things You'll Need
Instructions
Transfer to Another User Account
Turn on your PS3 if it's not on already, and log in to the user account with the save file you want to transfer.
Navigate horizontally to the "Game" section of the XMB menu.
Navigate vertically to the "Saved Data Utility (PS3)" option, and select it.
Select the game with the save file from the list of saved data.
Locate the save file you want to transfer, and press the green triangle button to display the options available for that file.
Select "Copy"; then select the user name you want to move the file to.
Wait a moment until the PS3 informs you that the copy is complete. Now all you need to do is switch to that user account and start up the game; the save file will be available for you to use.
Transfer to Another PS3
Turn on your PS3 if it's not on already, and log in to the user account with the save file you want to transfer.
Insert a USB storage device into a free USB port on your PS3. The simplest option for this is a flash drive, but you also could use an external hard drive.
Navigate horizontally to the "Game" section of the XMB menu; then navigate vertically to the "Saved Data Utility (PS3)" option, and select it.
Locate and select the game with the save file from the list of game data; then locate the save file you want to transfer.
Press the green triangle button to display the options available for that file.
Select "Copy"; then select the USB storage device you inserted.
Wait a moment until the PS3 informs you that the copy is complete.
Turn on the other PS3, and connect the USB storage device to it.
Log into the user account you want to use and navigate again to the "Saved Data Utility (PS3)" option within the "Games" section.
Select the USB device in the list of options; then select the save game on the device.
Press the green triangle button and select "Copy." In a moment the copy process will complete, and now you can start up the game and load the save file.