I'm going nuts here. I've got the quicktime trailer for Sin City, and i'm trying to get it into an MP4 format for my PSP. I've tried exporting to MP4 with every imaginable combo of options from within ...
.mov is quicktime's native format, therefore it will, by default, always save as a .mov file. If you want to save it as a .mp4 file, just choose "Export" instead of "save".
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