DFU file format description

Many people share .dfu files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .dfu file can be edited, converted or printed with. On this page, we try to provide assistance for handling .dfu files.

3 filename extension(s) found in our database.

.dfu - iOS Device Firmware Upgrade File

The DFU other files are related to iTunes. The DFU file is an iOS Device Firmware Upgrade File.

Other files
- / -
iOS Device Firmware Upgrade File related extensions:
iPhone / iPod Application
iPhone / iPod Software Update
iPhone / iPod Firmware Upgrade
iTunes Live Stream URL
iPhone Live Photo
iPhone Ringtone

.dfu - DFUWizard Firmware Image

The DFU other files are related to DFUWizard. The DFU file is a DFUWizard Firmware Image. DFUWizard is a firmware update tool from CSR. The DFUWizard seems to be no longer supported.

Other files
- / -
DFUWizard Firmware Image related extensions:
NASL Pedant TASL Script
General Firmware File
Lextek Language Identification Module
Corel AfterShot Pro Plugin Bundle
ZoneAlarm MailSafe Renamed CPL File
Apple iOS Kernel Cache Data

.dfu - LaTeX Font Encoding Data

The DFU data files are related to teTeX. The DFU file is a LaTeX Font Encoding Data. LaTeX is a high-quality typesetting system, with features designed for the production of technical and scientific documentation. LaTeX is the de facto standard for the communication and publication of scientific documents.

Data files
- / -
LaTeX Font Encoding Data related extensions:
LaTeX Auxiliary Data
BibTeX Bibliographic Reference
BibTeX Document
BibTeX Document Style
LaTeX Document Class Data
TeX Font

Naturally, other applications may also use the .dfu file extension. Even harmful programs can create .dfu files. Be especially cautious with .dfu files coming from an unknown source!

Can't open a .dfu 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.

The .dfu file extension is often given incorrectly!

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

cfu, dbu, dcu, ddu, deu, df, dfh, dfi, dfk, dgu, dru, duf, efu, fdu, ffu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Windows Full Flash Update Image
Symantec Client Firewall Update Policy Data
OpenEdge ABL Data Definition
HP Laserjet Printer Remote Firmware Update
TI bqEASY Data Flash Image
Paradox Table Filter

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .dfu file format, then write to us!

DataTypes.net >> DFU file