FDF file format description

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

3 filename extension(s) found in our database.

.fdf - Adobe Acrobat Form Data Format Document

The FDF document files are related to Adobe Acrobat. The FDF file is an Adobe Acrobat Form Data Format Document. The FDF Toolkit enables you to create and/or manipulate FDF (Form Data Format) data which is used by PDF forms created with the form tools in Adobe Acrobat.

Adobe Acrobat
Document files
- / -
Adobe Acrobat Form Data Format Document related extensions:
Web Services Description Language Document
ChemDraw Stationery Document
NI Multisim 8 Circuit Design
NI Multisim 12 Circuit Design
Nero Cover Designer Import Document
Nero Mixed Mode CD Compilation

.fdf - Format Description File

The FDF data files are related to Client Access Express. The FDF file is a Format Description File. Client Access Express software offers a powerful set of client/server capabilities for connecting PCs to AS/400 systems.

Client Access Express
Data files
- / -
Format Description File related extensions:
MIKE 11 HD Results Data
OpenCanvas 6 Event Data
Prizm Viewer Image List
Kinect Studio Recording
Family Origins Database
Pixelformer Colors Data

.fdf - Origin Fitting Function Definition File

The FDF data files are related to Origin. The FDF file is an Origin Fitting Function Definition File. Origin is a software application with tools for data analysis, publication-quality graphing, and programming.

Data files
- / -
Origin Fitting Function Definition File related extensions:
Origin C Source Code
Origin Configuration File
Origin Sample Curve Data
Origin Code Builder Object
Origin Encrypted C Source Code
Origin Dialog Theme Data

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

Can't open a .fdf 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 .fdf file extension is often given incorrectly!

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

bdf, cdf, ddf, df, dff, edf, fcf, fd, fdb, fdc, fdd, fde, fdr, fdt, fdv

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Channel Definition Format Data
Abbyy FineReader Intenal Page Data
Efficient Diary v2 Document
FlashDevelop Binary File
FlashDevelop Template
DVD X Copy TDF File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> FDF file