.EFI File Extension

UEFI Forum
File Type:
Extensible Firmware Interface File

Having trouble opening .efi extension? Don't panic! This page explains what efi files are as well as suggests programs you may use to open efi files. You can download these programs through this page.

What is a EFI file?

Efi file extension has Extensible Firmware Interface file type, developed by UEFI Forum, which is associated with the "system files" category.

These are system files used by Intel-based PCs as well as computer devices like AppleTV. EFI files store system-level information responsible for organizing proper firmware operation within the operating system. They are needed for executing firmware updates, running pre-loaded programs, and boot operating systems. 

To learn how you can open the given file, read the information below.

efi file icon
UEFI Forum
File Type:
Extensible Firmware Interface File
System Files

How to open EFI file?

Double click the efi file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .efi extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the efi extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the efi file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open EFI files

  • Windows Windows
    • EFI Developer Kit EFI Developer Kit
    • Microsoft EFI Utilities Microsoft EFI Utilities
  • MacOS MacOS
    • EFI Developer Kit EFI Developer Kit
  • Linux Linux
    • EFI Developer Kit EFI Developer Kit

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the efi file as well. Download Universal File Viewer for your OS.

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