HELP ON MPEG-4 FILE

HI ALL PLEASE HELP ME MY FRIEND DID A DVD OF OUR RECENT WEDDING HOWEVER WHEN HE SENT ME IT AS AN ATTACHEMENT ON HOTMAIL HE HAD DONE THE DVD VIDEO IN 10 PARTS AND IT WAS SAVED AS AN MPEG-4 FILE I CAN OPEN IT BUT IN TEN PARTS I AM TRYING TO COMPRESS IT INTO WINDOWS VIDEO MAKER BUT IT DOESN'T DO IT HOW CAN I MAKE THIS INTO ONE FILM OF OUR WEDDING

ANDY

PS SOMEWHERE IT SAID I DO NOT HAVE A CODEC CODE SO DOWNLOADED UP TO DATE ONES BUT STILL NO JOY PLEASE PLEASE HELP

[489 byte] By [SHORTMAT] at [2008-1-4]