.FDF

Acrobat Forms Data Format

📌 The .FDF file specification corresponds to the text formats, applied for opening up and exporting the data from the fields of .PDF form. In comparison with .PDF resources, .FDF data objects are smaller as a rule. The reason lies in the fact that they include data from the open form fields only, but not outwards from the entire form. The .FDF sources can be generated within the Acrobat suite UI by picking Advanced -> Forms -> Export Forms Data from the menu bar of the aforementioned package. On the web-server side, .FDF file containers are usually processed and executed via .CGI scripts involvement.

Origin Fitting Function Definition File

📌 In the exceptional clauses, .FDF file object may relate to the data files definition of mathematical fitting functions applied by Origin, a graphing and numeric analysis software bundle, taken into the arsenal by multiple engineers and scientists worldwide. It also sustains all the essential properties of the fitting functions, for instance, function description, variables, expression, fitting parameters, constraints and method type. .FDF-components can be either automatically generated by Origin solution, or designed in the manual, custom way due to user interaction.

How to open an .FDF file?

📌 Depending on the origin and designation of the .FDF file resource, the .FDF extension can be explored, opened, viewed and edited by various individual suites, downloaded from the freeware or shareware-oriented web-portals and sites. If the .FDF file instance was created by Origin software package, it is recommended to make use of the same solution to properly process and handle the encountered .FDF data file.