Step 1: Double Click on the Finder icon that is located in the Dock. (for Windows instructions please scroll down) (Be careful using these instructions to ensure you are formatting the correct disk.) This article will teach you how to format the USB flash drive so both Mac’s and PC’s can read them. However, some photographers have run into issues where clients are not able to read the USB flash drive, prompting the photographer to switch back to using CD/DVD’s. Recently photographers have switched from using CD/DVD’s to USB flash drives to deliver their digital pictures to their clients. They have also included this with their latest laptops and their iMac’s. Apple has started doing this when the Macbook Air arrived on the scene. This helps the computers to be small and lighter. The latest trend with computers is not including a CD/DVD drive. By Jack Scicluna Photography, LLC - guest writer.