>> FD file

FD file format description

Many people share .fd files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fd file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fd files.

2 filename extension(s) found in our database.

.fd - Fortran Declaration File

The FD development files are related to Fortran Tools. FD file is a Fortran Declaration File. Fortran is a computer programming language originally developed in the 1950s. It is still used for scientific computing and numerical computation half a century later. It is sometimes considered the earliest cross platform (standardized) programming language.

Fortran Tools
Development files
- / -
Fortran Declaration File related extensions:
Forth Source Code
Common Object File
Turbo C Utilities Form Definition
Turbo C Help
Atari Jaguar GPU Assembly Source
Ada Implementation File

.fd - STK Facility Database Main File

The FD data files are related to Systems Tool Kit. FD file is a STK Facility Database Main File. STK (Systems Tool Kit) is a physics-based software geometry engine that accurately displays and analyzes land, sea, air, and space assets in real or simulated time.

Systems Tool Kit
Data files
- / -
STK Facility Database Main File related extensions:
Microsoft Outlook Address Book
Microsoft Outlook RSS Subscription Data
Compiled HTML Help Index
Media Catalog MGC File
Answer Wizard Index
Microsoft Office Clip Organizer Catalog

Naturally, other applications may also use the .fd file extension. Even harmful programs can create .fd files. Be especially cautious with .fd files coming from an unknown source!

Can't open a .fd file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .fd file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bd, rd, fe, df, td, gd, fw, fs, vd, fx, fv, fr, cd, ff, fc

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Ben Daglish Music
Paradox Table Filter
General Firmware File
Lightscape Parameter File
FlexiSign Document
STK Database Update Information

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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