DFU File Type

- The quick facts

What are DFU files and how to open them

Are you having problems opening a DFU file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a DFU file?

A .DFU file is a Device Firmare Upgrade format file. Through our analysis of DFU files, we know that one use of the format is Device Firmare Upgrade format. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open DFU files

Important: Different programs may use files with the DFU file extension for different purposes, so unless you are sure which format your DFU file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single DFU opener which you will find listed below.

Last updated: December 31, 2021

Other file formats using extension .DFU

While Device Firmare Upgrade format is a popular type of DFU-file, we know of 2 different uses of the .DFU extension. Different software may use files with the same extension for different types of data.

DfuSe device firmware

Through our analysis of DFU files, we know that one use of the format is DfuSe device firmware. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

While we have not verified the app ourselves yet, our users have suggested a single DFU opener which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of DFU files. Remember, different programs may use DFU files for different purposes, so you may need to try out a few of them to be able to open your specific file.

iTunesiTunesUser submitted
We have not verified any software that we know for certain will work with DFU-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with DFU-files. If you know one, please use the 'Suggest a program' link below and tell us about it!