If you want to select all layers in Photoshop, there are a few different ways to go about it. One way is to use the Select menu and choose Select All. Another way is to use the keyboard shortcut Ctrl+A (Command+A on a Mac). The third way is to use the Lasso tool and draw a selection around all of the layers you want to select. Then, click on the Selection tool (the white arrow) and choose Copy from the options that appear. Finally, go back to Photoshop and paste the selection into your document. ..
