Tip 5: Organize Layers
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When you have a lot of layers, your Layers Panel can get unwieldy, so organize it with folders: Hold down the Shift key and click on the layers you want to keep together. Then click the flyout menu in the top-right corner of the panel, and choose New Group from Layers. You’ll be prompted to name it; when you click OK, the layers will be in their own folder. You can nest folders inside one another. Turn a folder on and off to show and hide all the adjustments. You can even add a mask to it.