EFI File Extension
Extensible Firmware Interface Format
- File Type efi
- Developer UEFI Forum
- Popularity
- Application Microsoft Windows
- Category System Files
- Format Binary
What is a EFI file?
The EFI file extension is linked to Extensible Firmware Interface Format and belongs to the System Files category, which includes 251 files.
EFI files are supported by Windows, Linux and Mac OS. When working with EFI files, you can rely on 7 programs, including Microsoft Windows, Linux OS and macOS.
Programs that support EFI files
How to open a EFI file?
If you can’t open a EFI file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
The most popular programs for working with EFI files are Microsoft Windows, Linux OS and macOS. To install the latest version of Microsoft Windows on your computer, visit the Microsoft website where you can download the version available for all operating systems.
Following installation, EFI files should be automatically opened with Microsoft Windows.
Set Microsoft Windows as your default EFI viewer
Changing the default program in Windows
- Right-click on your EFI file, then choose the "Open with" option and select "Choose another application" from the available options;
- From the list of applications in the pop-up window, find and select Microsoft Windows as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening EFI files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired EFI file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Microsoft Windows. Check the box next to "Always open in app" to make sure it’s the default option.
Solving Common EFI File Challenges
When issues arise with EFI files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the warning signs that my EFI file may be corrupted?
Corrupted EFI system files may have one or more of the following symptoms:
- Error messages appear during the course of working with the file;
- Attempts to open the file result in errors or failed results;
- Unexplained increase in EFI file size;
- The file causes Microsoft Windows or other programs to hang or crash during operation;
Why does Microsoft Windows crash?
Microsoft Windows crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How to repair a corrupted EFI file?
Use a data recovery program to open the damaged EFI file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged system files.