There are a few things you can do to select all white in Photoshop. The first is to use the selection tool, which is located at the bottom of the tools palette. To select all white in a document, hold down the Option key and click on the desired area of the document. The second way to select all white in Photoshop is to use the command prompt. To do this, open up a new window or tab and type “cmd” into the command prompt box and hit enter. Then, type “select all” into the command prompt box and hit enter again.
