An fd file extension is related to the FORTRAN programming language from IBM. An fd file stores declarations.
FD file extension - Fortran declarations
What is fd file? How to open fd files?
File type specification:
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.
The default software associated to open fd file:
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.
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.
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