Photoshop is a powerful image editor that allows you to select all layers in a document. This is an essential tool for creating professional-looking images. To select all layers in a document, use the following steps:

  1. Choose File > Open from the main menu.
  2. Type “all” into the text field and click on the OK button.
  3. The all layer selection will be created in your document and will be available for editing as well.