File Extension Library

.EV3 File Extension

  • Developer by: The LEGO Group
  • Category: Data Files

What are .EV3 files and how to open them?

Can't open .EV3 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .EV3 file.

What is a .EV3 file extension?

.EV3 file extension is created by The LEGO Group. .EV3 has been classified as Data Files.


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.

List of all softwares that can open the LEGO MINDSTORMS EV3 Project
File Type 2:

Everlock Options File

Developer by: Az-Tech Software Category: Settings Files Format: Binary

File used by Everlock, a program used to protect the copy of floppy disks, CDs, and other media; contains options for copy protection; used to create installation media with specific copy protection properties.

Everlock is no longer supported by Az-Tech.

File Type 3:

Team Manager Meet Event File

Developer by: HY-TEK Sports Software Category: Data Files Format: Binary

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.

How to fix problems with .EV3 files

  1. You need to update the application that you normally use to open .EV3 files. Only the latest version of the software supports the current .EV3 file format
  2. You need to check the .EV3 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)