MPEG 1 can be played back via either QT or Windows Media Player, which is why I prefer it for cross-platform or unknown platform. sb On 3/31/03 6:10 PM, "Matthew Guemple" <mo.og at verizon.net> wrote: > So QT with MPEG-1 or 4 or Sorenson 3 and include the QT installer? > Thanks > M > ________________ > Matthew Guemple