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Details of extension .fdn

On this page, we're going to take a closer look at the .fdn file extension, which is related to MODFLOW Drawdown Data.

We'll explain what exactly a .fdn file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .fdn files into different formats, we'll give you some tips on how to do that too.

Let's see the file format associated with this file extension!

Contents

  1. MODFLOW Drawdown Data

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MODFLOW Drawdown Data

fdn file - MODFLOW Drawdown Data
The FDN file belongs to the Data category and works with MODFLOW, being used as a MODFLOW Drawdown Data. MODFLOW is the USGS's modular hydrologic model. MODFLOW is considered an international standard for simulating and predicting groundwater conditions and groundwater/surface-water interactions. The developer is still actively supporting the MODFLOW, likely. Our data shows that MODFLOW uses 15 more file types.
Application: MODFLOW
Program name: -
Category: Data files
Mime-type: application/octet-stream
Aliases:
-
Related extensions:
.gsf Unidata GEMPAK Map Data
.wel MODFLOW Well Package
.rch MODFLOW Recharge Package
.cbc MODFLOW Cell-by-cell Flow Data

The .fdn file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .fdn extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .fdn file extension wrong?

In our database, we came across the following similar extensions:

.rdn Carlson 2016 Road Network Data
.fdm SIPINA FDM Data
.fen Forsyth-Edwards Notation Data
.fdb Firebird SQL Database
.dfn Delphi Definition File
.fnd Informida Secure Information Database

The .fdn extension is frequently misused

People sometimes confuse the .fdn filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

rdn (1), fdm (1), fen (1), fdb (1), dfn (1), fnd (1), fn (1), gdn (1), ffn (1), fsn (1)

Having trouble opening a .fdn file?

If you want to open a .fdn file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .fdn association can trigger this error.

Windows can't open this file:

File: example.fdn

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android