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EFIRES File - What is an .efires file and how do I open it?

Learn about .EFIRES files and view a list of programs that open them.

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Overview

What is an EFIRES file? System file used by Mac laptops and desktops; saved in the Extensible Firmware Interface (EFI) format, an Intel format that defines the interface between the firmware and the operating system.

More Information EFIRES files are used for boot screens, lock screens, login screens, and for the process of updating firmware on a computer system. The files can be found on Macs in locations such as: /​System/​Library/​Caches/​com.apple.corestorage/​EFILoginLocalizations/​ /​usr/​standalone/​i386/​EfiLoginUI/​

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DeveloperApple
Popularity2.6 | 5 Votes

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.EFIRES File Extension

EFI Image File

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What is an EFIRES file?

System file used by Mac laptops and desktops; saved in the Extensible Firmware Interface (EFI) format, an Intel format that defines the interface between the firmware and the operating system.

More Information

EFIRES files are used for boot screens, lock screens, login screens, and for the process of updating firmware on a computer system. The files can be found on Macs in locations such as:

/​System/​Library/​Caches/​com.apple.corestorage/​EFILoginLocalizations/​

/​usr/​standalone/​i386/​EfiLoginUI/​

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Programs that open or reference EFIRES files

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Category: System Files

Updated: January 13, 2015

FAQ

What is an EFIRES file?↓
System file used by Mac laptops and desktops; saved in the Extensible Firmware Interface (EFI) format, an Intel format that defines the interface between the firmware and the operating system.

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