Sams Teach Yourself Adobe Photoshop CS4 in 24 Hours

Chapter 2. Opening and Saving Files

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Working with Files

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Saving Your Work

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Undoing and Redoing

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Using Version Cue

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As a Photoshop user, you’ll work with existing image files, create new ones, and save your changes to the files you work on. Along the way, you’ll need to make some decisions about those files. That means you need to learn about the characteristics of a Photoshop file, including the various formats Photoshop can read and write, the color modes you can use for different kinds of images, how to determine an image’s size and resolution, and how to create and use metadata to keep better ...