A dfn file extension is associated with Delphi and it is used for files that contain definitions.

Detailed description

Software that open dfn file

Add comment

DFN file extension - Delphi definition data

What is dfn file? How to open dfn files?

The dfn file extension is related to Delphi and used for files that contain definitions.

Delphi is an agile Object Pascal IDE and component library for cross-platform native app development with flexible Cloud services and broad IoT connectivity.

The default software associated to open dfn file:

Delphi icon

Embarcadero Technologies, Inc. logoDelphi  Microsoft Windows software

Company or developer:
Embarcadero Technologies, Inc.

Delphi is integrated development environment used to create applications fort Microsoft Windows. It supports Delphi programming language (Object Pascal), C++, C# for Microsoft .NET.

RAD Studio icon

Embarcadero Technologies, Inc. logoRAD Studio  Microsoft Windows software

Company or developer:
Embarcadero Technologies, Inc.

RAD Studio is the fastest way to develop cross-platform Native Apps with flexible Cloud services and broad IoT connectivity. It provides powerful VCL controls for Windows 10 and enables FMX development for Windows, Mac and Mobile. RAD Studio supports Delphi or C++ with a wide array of services for Enterprise Strong Development.

Help how to open:

The dfn files are used for internal purposes of Delphi IDE.

How to convert:

Conversion to other formats is not possible.

List of software applications associated to the .dfn file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open dfn file, edit dfn file, convert dfn file, view dfn file, play dfn file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting dfn files.

Software that open dfn file - Delphi definition data

Programs supporting the exension dfn on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about RAD Studio for open dfn file action.

Microsoft Windows:

Previous file extension
DFM file extension

File-Extensions.org > Settings, options, themes or skins file types

Next file extension
file extension DFQ


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed