Iphone contacts sync

hi anybody can help me i wanna transfer my contacts from my computer to my iphone . right now i have vista and all the 1200 contacts in my contacts folder and the format is VCF .

I AM USING ITUNE SOFTWARE FROM THAT I GO IN INFO THEN PRESS WINDOWS CONTACT SYNC THEN NOTHING COME IN IPHONE. I AM UNABLE TO TRANSFER MY CONTACTS ALL AT ONCE IN OUTLOOK. IS THERE ANY COMMAND THAT I CAN TRANSFER MY ALL CONTACTS WITH ONE COMMAND IN OUTLOOK . AND PLEASE HELP ME ALSO HOW TO TRANSFER CONTACTS IN IPHONE.