Open DFN file

DFN files: what are they and how do I open them?

dfn file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

Delphi definition data

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

Further details:

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.

Open file with:

Delphi icon

Delphi

IDE for making Windows apps

RAD Studio icon

RAD Studio

Development environment for Windows

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.dfn" has the file extension "dfn". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.