.efu file: how to open it on Windows

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

• 
  Everything (Beta)

  Locate files and folders by name instantly.

  Open source 1.5.0.1423b 7.8K ↓
• E
  Everything

  Locate files and folders by name instantly.

  Open source 1.4.1.1032
• E
  Everything Lite

  Locate files and folders by name instantly.

  Open source 1.4.1.1032

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