What is .EPF file extension?
Project created by CadSoft EAGLE, a Printed Circuit Boards (PCB) designing program; contains project information such as version and platform; includes references to boards (.BRD file) and schematics (.SCH file) that are associated with the project.
To create an EPF file, select File ? New ? Project, and name the file or else it will be given the default name "New_Project." You can view the file in the Control Panel of the application under "Projects," it will be located in the "eagle" folder. You can also view the file in the directory it was saved, most likely in the Documents folder.
NOTE: EAGLE is short for "Easily Applicable Graphical Layout Editor."
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.