.USF File Extension
File Type 1EVGA Precision X Skin File
This file is saved in a binary format, which requires a specific program to read its contents.
Skin file used by EVGA Precision X, a program used for overclocking GPUs; stores graphics and layout information that alter the appearance of the application's GUI; allows users to customize the look and feel of the interface.
File Type 2Universal Subtitles Format File
Video subtitles file created in the Universal Subtitle Format (USF); uses XML text formatting instead of plain text used by many other subtitle formats; used for synchronizing textual and image subtitles with a movie; supported by some video playback programs.
USF was designed to be a universal format that incorporated the best of all subtitling formats into a flexible and portable format. However, it was not widely adopted, perhaps because of the verbosity of the XML syntax.
File Type 3Nintendo 64 Music File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
Music format used by Nintendo 64 (N64) games; stores the soundtrack of N64 video games; may also contain an SR64 ROM image and recent save state.