You can change the default program for editing any file, but unfortunately your computer won't be able to make Photoshop EPS files and Illustrator EPS files open in their respective programs - you ...

To make working with PostScript files easier, Adobe and Aldus, makers of PageMaker, developed the Encapsulated PostScript file format in 1987, combining a PostScript program with a low-resolution ...

The newly updated Pixelmator Pro 3.5.2 image editor has added support for Adobe Illustrator documents, including the older EPS format, and is on sale for half price for a limited time.