Extensible Firmware Interface Format
UEFI Forum
System Files
mime-type/not-avalible
10/20/2021
To edit EFI file, we strongly recommend installing software that works with EFI files. There are many tools known as EFI Online Editors, but it is not certain that they operate in a way that keeps the data contained in the file safe.
Remember, that not all of the mentioned programs will allow you to edit the EFI file. Click here for more information on EFI file extension
This is definitely the surest way. Choose one of the programs that support the EFI file extension, open your file and check the editing options. It's safest to download the software from the developer's website. You will find links to the software developers' websites on the subpage of each program. List of sample programs supporting the EFI file below.
All available programs supporting the EFI file
Most of the file formats are simply text format saved under a different extension - so you can open them e.g. with Windows Notepad But beware - making manual changes to the EFI file or another may result in its damage. If you make inappropriate changes and save the file, it may happen that you do not reopen the EFI file.. It is safest to use software that was created to edit files in the EFI format.
It seems that one of the software on the list must be able to edit the EFI files. However, if for some reason you did not find this option, you can try using tools prepared by external websites. Verified websites with the option to edit the file in the EFI format below.
Free Online File Edit Service
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