FFD file extension

Created by Contivo (Liaison Technologies now) file format that is similar to an XSLT file, but specifies transformation rules for mapping non-XML binary information into an XML dataset. It is stored using an XML formatting and may be generated with a text editor or an IDE (for example Liaison Technologies Analyst). These files are also used for XML translation by IBM's WebSphere DataPower SOA (Service Oriented Architecture) appliances.

FFDDumper (Microsoft SharePoint Server application that is used to debug document search results) log file that uses a plain text formatting and stores the results of a document being "crawled" by SharePoint's FAST document processing engine. These files help administrators to examine low-level document settings so they can debug why specific searches provide certain results.

FATE (WildTangent action role-playing video game) saved game file with the current state of gameplay, character items and statistics. It is used to save and load game progress.

This file is created by ffDiaporama (software that is used to create video sequences). It is a video project that contains video clips, pictures, sounds, and transitions. The file stores only references and is used to save and load projects.