The TWG also collaborated with the Optical Storage Technology Association (OSTA) on the use of their implementation of the ISO-13346 file system (known as Universal Disk Format) for use on the new DVDs.
TWG tegi koostööd ka Optical Storage Technology Association’iga (OSTA), et võtta uuele DVD-le kasutusele ka selle ISO-13346 failisüsteemi standard (tuntud kui Universal Disc Format (UDF).