.DFF File Extension

A DFF file is a three-dimensional model saved in the RenderWare binary stream format. It is used by various CAD programs and 3D games, such as Grand Theft Auto 3 (GTA3). DFF files are organized into multiple sections that describe the geometry and materials that compose the model. Some of the sections in the DFF file are texture, reflection material, model skins, behavior of breakable objects, and specular lighting material.

Audio file stored in the Direct Stream Digital (DSD) format, an audio format developed by Sony and Philips for Super Audio CD (SACD); stores the audio using a 1-bit sigma-delta modulation sampled at 2.8224 MHz; used for storing high-quality audio for CDs and digital music downloads.