Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .efires

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .efires file?
  • Which program can create the .efires file?
  • Where can you find a description of the .efires format?
  • What can convert .efires files to a different format?
  • Which MIME-type is associated with the .efires extension?
Mac OS X EFI Image .efires file icon

Mac OS X EFI Image

EFIRES file is a Mac OS X EFI Image. UEFI is meant to replace the Basic Input/Output System (BIOS) firmware interface, present in all IBM PC-compatible personal computers. In practice, most UEFI images provide legacy support for BIOS services.
Category: Other files
Application: Mac OS X
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Extensible Firmware Interface

Other types of files may also use the .efires file extension. If you have helpful information about .efires extension, write to us!

Can't open a .efires file?

If you want to open a .efires file on your computer, you just need to have the appropriate program installed. If the .efires association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.efires

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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