Click on a PSD file in the Finder, selecting the document. You can choose a file on your desktop or select one from a Finder window. To open a window, press "Cmd-N," or open the "File" menu, and ...

Before you can open a PSD file (assuming it is even a file format that is intended to be viewed or edited), you will need to determine what kind of file the PSD file extension refers to.

A PSD file is a layered Adobe Photoshop graphics file. Unfortunately, Adobe Photoshop does not provide you with the ability to export or convert a PSD file to a DXF file.