An fd file extension is related to the FORTRAN programming language from IBM. An fd file stores declarations.

There are 6 other file types using
the FD file extension!

empty icon.fd - DataFlex field offsets for compiler

empty icon.fd - Font definition file

empty icon.fd - Final Draft document

empty icon.fd - LaTeX font definition file

empty icon.fd - Call of Duty game data

empty icon.fd - STK facility database main data

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FD file extension - Fortran declarations

What is fd file? How to open fd files?

File type specification:

Various data file type icon Various data file type

The fd file extension is associated with FORTRAN or formula translation which was the first high level programming language invented by John Backus for IBM in 1954, and released commercially in 1957.

The fd file contains declarations.

Updated: March 27, 2019

The default software associated to open fd file:

Fortran picture or screenshot

IBM logoFortran  Multiplatform software

Company or developer:
IBM

Fortran is one of the oldest programming language in active using developed by IBM in 1950s. Fortran began as a digital code interpreter for the IBM 701.

Microsoft Visual Studio icon

Microsoft Corporation logoMicrosoft Visual Studio  Multiplatform software

Company or developer:
Microsoft Corporation

Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows, Windows Mobile, .NET Framework, Silverlight as well as dynamic websites and web applications. Visual Studio is available for Windows and Mac.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .fd 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 fd file, edit fd file, convert fd file, view fd file, play fd file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with fd file - Fortran declarations

Click on the software link for more information about Fortran. Fortran uses fd file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Multiplatform:

Main software associated with fd file by default:
Fortran
Microsoft Visual Studio small icon Microsoft Visual Studio

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