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

Details of extension .efu

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

Below, you can find answers to the following questions:

  • What is the .efu file?
  • Which program can create the .efu file?
  • Where can you find a description of the .efu format?
  • What can convert .efu files to a different format?
  • Which MIME-type is associated with the .efu extension?
Encryptafile Public Key .efu file icon

Encryptafile Public Key

EFU file is an Encryptafile Public Key. Encryptafile is a powerful tool that supports both traditional secret-key encryption as well as public-key encryption. An EFU file is a file that contains a hexadecimal representation of a public key.
Detailed description not available
Category: Other files
Application: Encryptafile
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Encryptafile Signature
Encryptafile Encrypted File
Encryptafile Private Key

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

iOS Device Firmware Upgrade File
Omnifi DMP1 System Firmware Update
Ensoniq KT Audio Data
DFUWizard Firmware Image
Molpro Permanent Wave-function Data
Private Character Editor Font
Ulead EasyBackup Archive
Euphoria Include File
Far Cry 3 Data

The .efu filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dfu (1), sfu (1), ffu (1), euf (1), efi (1), edu (1), ebu (1), wfu (1), rfu (1), feu (1), efk (1), ef (1), ecu (1)

Can't open a .efu file?

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

Windows can't open this file:

File: example.efu

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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