need help wiith the TMPGEnc 4.0 XPress

屁屁zzz

can anyone please help me with the TMPGEnc 4.0 XPress,when i covert the rmvb to mpg, the files are so big,how can i size it down.tvb now,tvbnow,bttvb7 x- K* f- @" G% Q- Y* Q% y
thank you so much!!!