If you’re like most people, you use Photoshop to edit photos in portrait orientation. But what if you want to edit a photo in landscape orientation? Here’s how to do it. First, open the photo you want to edit in Photoshop. Next, select the canvas tool (C) and click on the bottom-left corner of the photo. This will open the Canvas Size dialog box. In this dialog box, change the Width and Height values to match the dimensions of your landscape photo. Click OK to close the dialog box. Now, select all of the content on your canvas by clicking on the Selection tool (V) and pressing Enter/Return. Next, press Ctrl+J (Windows) or Command+J (Mac) to duplicate your canvas onto another document window. Finally, change the orientation of your new document window by selecting it and pressing Ctrl+T (Windows) or Command+T (Mac). ..