What is the EFI file?
The EFI file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Extensible Firmware Interface Format format. EFI files are supported by Linux, Mac OS, Windows operating systems. The EFI file is one of the System Files files, just like 323 of the other files found in our file information database. The creator of Extensible Firmware Interface Format is UEFI Forum.
A program that can open the EFI file is e.g. EFI Developer Kit.
Programs, that can open .EFI files
How to open a .EFI file?
If you have problems opening the file EFI, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the EFI file format with the installed program. If not, right click on your EFI file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all EFI files should automatically open with the selected program.