Before you can even think about changing the look of your image using Photoshop, you must know how to preview a folder full of images, choose the name of your files and choose the best image to work with. After you have an image open, you should become familiar with the concept of resolution and which files formats you should use when saving an image. You’ll see how you can start using either Adobe Bridge or Adobe Lightroom as the first step before you even open an image into Photoshop.