Project created by LEGO MINDSTORMS EV3, a program that enables you to create and command LEGO MINDSTORMS EV3 robots; contains all of the project assets such as .EV3P program files, images, sounds, building instructions, videos, and My Blocks.

To create the EV3 file, click the “+” tab in the top-left of the Lobby screen in the application, click the floppy disk “Save” icon in the top-right, name your file, choose the save location, and click Save. To open the EV3 file, navigate to the Lobby screen in the application, select the Open Recent → Open Project… in the top-right corner, navigate to your file, select it, and click Open.

File created by HY-TEK Team Manager, a program used to schedule sporting events; contains the meet name, course, events, and meet entry qualification times as well as venue altitude, sanction number, entry time, event divisions, and maximum entries.

EV3 files are used to store, distribute, and schedule sporting events with participants.