DFD

dfd icon

ABC programming language dyadic functions data

File type: Source code and script file

An dfd file extension identifies dyadic functions data used by the ABC programming language.

Found 3 different file type records with the same dfd filename suffix.

What is dfd file?

File type category:
Source code and script file

Date updated: October 20, 2026

ABC is an interactive programming language and environment for personal computing. It was originally intended as a good replacement for BASIC and was designed by first carrying out a task analysis of the programming task.

dfd files contain dyadic functions for ABC. In ABC terminology, dyadic functions operate on two operands. The files provide function data used by the language environment.

How to open dfd file?

Open an dfd file with a compatible ABC programming language environment. These files are normally used by ABC itself, so they may not open meaningfully as standalone documents.

If ABC is not installed, a general text or binary editor may show the file contents, but it will not interpret the dyadic functions or provide a usable view of the data.

Duplicate File Detective data

File type category:
Various data file

Date updated: March 27, 2019

The dfd file extension is associated with the Duplicate File Detective, a software for Microsoft Windows that allows users to find file duplicates on hard drive.

The dfd file stores some kind of data used by this application.

How to open dfd file?

Probably not meant to be accessed by the user.

How to convert dfd file?

Probably cannot be converted to anything else.

Suggested software to open dfd file:

Associated software actions with the dfd file

Software applications that handle other tasks involving dfd files:

Microsoft Windows

Silverrun document

File type category:
Document file

Date updated: October 20, 2026

The DFD file extension is associated with SILVERRUN RDM, a business architectural and data modeling tool developed by Grandite for Microsoft Windows.

A DFD file contains a document created with Silverrun, including the model information used by the application.

How to open dfd file?

Open a DFD file with SILVERRUN RDM on Microsoft Windows. Use the program's Open command and select the file.

How to convert dfd file?

Open the file in SILVERRUN RDM and use the program's export features, if available, to create an output in another format.

Suggested software to open dfd file:

Associated software actions with the dfd file

Software applications that can open dfd files:

Microsoft Windows

Software applications that can edit dfd files:

Microsoft Windows

Software capable of saving dfd files:

Microsoft Windows

Software apps that create dfd files:

Microsoft Windows

Software apps that print dfd files:

Microsoft Windows

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