for samsung download samsung PC suite and samsung PIM manager from samsung support site
same for the nokia PC Suite for your model from nokia.
or use the cd which comes with the phone to install pc suite
connect the phone via usb or bluetooh
goto sync settings and select only the contacts (if u dont need calender and task items) and on the settings select ms outlook or even ms outlook express and press sync
easy as that.
you can also import / export the contacts from / to a CSV (comma sepetared text) or MS EXCEL to keep the back up on a cd or memory stick
+ you can also upload all your contacts to your hotmail contact list using the exported CSV file