Known FDF Files

Dominant FDF File Type

.FDF

File Name:	.fdf
Class:	Acrobat Forms Data Format

A text file format for data which has been exported from .PDF form fields. Smaller in size compared to PDFs as they only have the form field data.

Author:	Adobe Systems Incorporated
Kind:	Text Files
Key:	HKEY_CLASSES_ROOT\.fdf

Software Programs That Open The Acrobat Forms Data Format:

Adobe Acrobat DC by Adobe Systems Incorporated

Windows

Mac

Linux

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FDF Troubleshooting

Common Problems Opening FDF Files

Adobe Acrobat DC Isn't There

You encounter an error message such as "%%os%% Can't Open FDF Files" when trying to open your FDF. If so, it typically means that you don't have Adobe Acrobat DC installed for %%os%%. You won't be able to double-click to open your FDF because your OS doesn't know what to do with it.

Tip: If you don't have Adobe Acrobat DC installed, and you know of another program to open your FDF file, you can try opening it by selecting from the programs listed under "Show Apps".

Adobe Acrobat DC is Out-of-Date

Occasionally, you might have an outdated version of Adobe Acrobat DC installed that's incompatible with your Acrobat Forms Data Format type. Visit the Adobe Systems Incorporated website to download (or purchase) the latest version of Adobe Acrobat DC. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: Find clues on the correct software version by right-clicking your FDF file and clicking "Properties".

Summary: Not having the right Adobe Acrobat DC version on your computer can cause problems opening FDF files.

Associated Difficulties Loading FDF Files

Assuming you have the right Adobe Acrobat DC version installed, other problems can prevent you from opening FDF files. There can be external issues inside of %%os%% that are causing these errors when opening FDFs. Additional factors include:

• Invalid FDF file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Mistaken removal of the Windows registry FDF description
• Incomplete or bad installation of a software application associated with the FDF format
• Your FDF file is corrupted (issues with your Acrobat Forms Data Format file itself)
• FDF file integrity has been compromised by malware
• Hardware associated with FDF has outdated drivers
• Your computer does not have the adequate system resources to open the Acrobat Forms Data Format format