Files with the SF extension identify audio files that have been created by IRCAM. SF files store audio sample data that has been developed by the Institut De Recherche Et Coordination Acoustique Musique from France. SF files are utilized for storing CSound samples and can be opened and edited with compatible audio sampling software.
File used by Minecraft, a 3D world construction game written in Java; saved within the Minecraft.jar file in the \META-INF\ directory of the .JAR archive and uses the name CODESIGN.SF; saves a digital signature used to verify the contents of the archive. The CODESIGN.SF file is also saved with the file CODESIGN.RSA. Neither file should be modified or the game may not function properly. CODESIGN.SF was previously named MOJANG_C.SF.