If you want to open an Atn file in Photoshop, there are a few things you need to do first. First, make sure that the file is in the correct format. Atn files are typically saved as .atn files, but they can also be saved as .psd or .jpg files. Next, you need to find the file’s location on your computer. The easiest way to do this is to open Photoshop and go to File > Open… Then select the .atn file from your computer’s hard drive. Finally, you need to open the file in Photoshop’s editor. To do this, click on the image icon in the toolbar and select Edit > Edit In Photoshop… ..
