.efi file: how to open it on Windows

2 Windows apps register the .efi extension. Install one of them to open the file with a double-click.

About the format

Format

Windows or EFI program

Abbreviation

EFI · Extensible Firmware Interface

MIME type

application/vnd.microsoft.portable-executable

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• 
  Resource Hacker

  Resource Hacker is a program that allows you to compile and decompile various resources and file types.

  Free 5.2.8 143.4K ↓
• V
  Vovsoft Executable Bit Scanner

  A powerful and user-friendly Windows utility designed to analyse and categorise executable files and dynamic-link libraries within your system.

  Free 1.0.0.0

Related guide: Change the default app for a file type in Windows