Atomic Learning

Back up your photos

Open iPhoto
Select the photos you want to back up.
Choose File > Export
Make sure the File Export Button is selected

Change Kind to JPEG

Quality (I usually choose medium)

Size: I usually use medium unless you are planning to have any printed, then choose large)

File Name: The way the files will be named

Click Export
Navigate to a folder and save them all in there. You can then move the photos to a CD or a Flash drive.

Import your photos

Open iPhoto
File > Import to library
Navigate to the folder where your pictures are stored.