Syncing contact list back to outlook

[cocobrotha1]

Wassup peeps. I got a serious question, i need to know how to sync my htc hero back to outlook without losing any of my contacts. I had a HTC touch pro that didn't really work out for me to well so i copped the hero instead. I'm in complete love with this phone, however i had a problem. I manage to sync the list through the app that HTC offers with the hero. The sync worked fine, but i think i'm missing some contacts. So i wanted to redo it again just to make sure everything went over right. i should have did this the first damn time, but i was more anxious to using the phone right away instead of being patient. Can anybody help me on this? PLEEEEEEEEEEEEEEEEEEEEEEASE.