When looking for help, guides, or save files, these are the go-to communities:
You transferred a downloaded save file directly to the console without changing its Profile ID/PSN ID. When looking for help, guides, or save files,
On a standard PS3 setup:
Transfer your exact progress from an old PS3 to a new one. How to Install a 100% Complete Save File When looking for help
Before downloading a save, you must know your game's region (BLES for Europe, BLUS for USA, NPUB/NPEB for digital). Check the spine of your game case. or save files
A: No, cross-save functionality is not available. Saves are locked to the console they were created on, and there is no official way to transfer saves from PS3 to PC or Xbox 360.