Photoshop is primarily a raster editing application, developed by Adobe. These raster files (i.e. photographs) are often in JPEG format because this became the industry-standard format for digital cameras. DXF files are not supported by Photoshop, they are vector and therefore there would be no sensible reason to open a DXF file in Photoshop. Adobe's vector editing application, Illustrator, does support DXF files. Therefore Adobe customers who wish to edit a DXF file should opt for Illustrator and not Photoshop. It should be noted that Illustrator cannot be used for CAD purposes as it is not a CAD application and therefore does not have the ability to create CAD blocks and it cannot store the file data in a CAD-standard structure.