A daily updated filename extension database!

DFU file extension

The table below provides useful information about the .dfu file extension. It answers questions such as:

  • What is the .dfu file?
  • What program do I need to open a .dfu file?
  • How can the .dfu file be opened, edited or printed?
  • How can I convert .dfu files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ iOS Device Firmware Upgrade File

.dfu
Description:
DFU file is an iOS Device Firmware Upgrade File.
DFU format description not yet available
Category: Other files
Application: iTunes
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DFU aliases:
-
DFU related links:
-
DFU related extensions:
-

✅ DFUWizard Firmware Image

.dfu
Description:
DFU file is a DFUWizard Firmware Image. DFUWizard is a firmware update tool from CSR.
DFU format description not yet available
Category: Other files
Application: DFUWizard
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DFU aliases:
-
DFU related links:
-
DFU related extensions:
BlueFlash Firmware Image

Other types of files may also use the .dfu file extension.

🚫 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?

We found the following similar file extensions in our database:

Windows Full Flash Update Image
Symantec Client Firewall Update Policy Data
Encryptafile Public Key
DSON User File
Omnifi DMP1 System Firmware Update
EAGLE Design Rules File
Paradox Table Filter
Client-Course Manager Database Expansion Update
Molpro Permanent Wave-function Data
Lightscape Parameter File

🔴 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 cannot open this file:

example.dfu

To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dfu file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dfu file extension, write to us!

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