Problems exporting the edited file

im having a problem at the mintue exporting the actual file as a.mov file type, first thing is the file created is much too large, over 6GB in size an the film also stick then when tryin to view on quicktime, i’ll try and change al the setting to see if i can can get the.mov file working, ive already tried it on mpeg and it sem to work fine.. heres hoping.