EFU file format description
Many people share .efu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .efu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .efu files.
1 filename extension(s) found in our database.
.efu - Encryptafile Public Key
The EFU other files are related to Encryptafile. 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. The Encryptafile seems to be no longer supported.
- Other files
- - / -
- Encryptafile Public Key related extensions:
Naturally, other applications may also use the .efu file extension. Even harmful programs can create .efu files. Be especially cautious with .efu files coming from an unknown source!
Can't open a .efu file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
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 one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .efu file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
rfu, ef, dfu, sfu, ffu, euf, efi, edu, ebu, wfu, feu, efk, ecu
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- HP Laserjet Printer Remote Firmware Update
- Diploma Exam File
- iOS Device Firmware Upgrade File
- Molpro Permanent Wave-function Data
- Private Character Editor Font
- DFUWizard Firmware Image
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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