Just simply copy/paste the photos library file to an external HDD?
When I double clicked on it, it just opens in the Photos app is there no way to have them photos in their original format like *.jpeg so they can be backed up but also viewed on any other computer (Windows)?
When I double clicked on it, it just opens in the Photos app is there no way to have them photos in their original format like *.jpeg so they can be backed up but also viewed on any other computer (Windows)?