Opening DFN Files

The DFN file type is primarily associated with Specialized apps.

DFN	File extension: DFN
	File type:	data file

What is a DFN file?

DFN files mostly belong to Specialized apps.

The DFN file can have several specific uses. It may be a file that stores DNA analysis data from instruments. For instance, it is used as a DNA Fragment Analyzer data file in Bio-Rad Image Lab and can also be known as a chromatography data file for programs like Clarity Chromatography Software.
It may also serve as a game installer configuration file used by engines such as HG3 and KiriKiri2. In another context, the file is a ZIP-compressed archive that holds game data and even compressed CAD models, as seen with products from Dungeon Fighter Online. For that usage, more details are available on the related webpage.
How to open a DFN file depends on its source. If it is a lab data file, you should use software like Bio-Rad Image Lab. If it is meant for game configuration, use the accompanying game installer or editor. For zipped game data, a decompression tool such as 7-Zip or WinZip is the best option.

DNA Analysis Data – Used in chromatography and DNA fragment analysis.
Game Installer Config – Used for setting up game installations.
Zipped Game Data – A container with game assets or compressed CAD models.

How do you open DFN files?

You need a suitable software like Specialized apps to open a DFN file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DFN file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DFN file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DFN Text Viewer

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Programs that open and convert DFN files:

Specialized apps
See the previous paragraphs to learn more about the main application. DFN files are often referred to as Specialized apps data files because this type of file is primarily created or used by this software.
Definition File
Various types and often ASCII text files.
Delphi (Integrated Translation Environment) by Borland Software Corporation
One for each Delphi or C++ form [.DFM]
DFNWarrior Itemlist
TalkAssist Icon String Meaning
Winyaps Style

Technical Data for DFN File Extension

File classification:

Data

Related files:

iapx, sfn, dfm, dat, int, jpg, zip, cfg, ini, dxf

a dfn data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with DFN files

Associate the DFN file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest DFN file format. Search, therefore, e.g. on the manufacturer website after an available Specialized apps update.
To make sure that your DFN file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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