This website uses cookies to improve your experience. You consent to our cookies if you continue to use this website. I Agree Read more
>> 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

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.

.fd file format description:
FD format
Fortran Tools
Development files
- / -
Fortran Declaration File related links:
Fortran Declaration File related extensions:
Fortran Source Code
Fortran IV Source Code
Fortran Interface File

.fd - STK Facility Database Main File

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.

.fd file format description:
FD format
Systems Tool Kit
Data files
- / -
STK Facility Database Main File related links:
STK Facility Database Main File related extensions:
STK Attitude
STK Azimuth-Elevation Mask
STK Aerodynamics File
STK Body Mask File
STK City Database Counties
STK City Database Main File

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

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Ben Daglish Music
General Firmware File
Finalburn Alpha Movie Capture
Paradox Table Filter
Edmics MMR Fax
Steinberg WaveLab Basic Audio CD Project

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .fd file format, then write to us!