TinySyncXL is a small program that helps you to manage contacts and calendar of your mobile phone. You can download free demo of the application that can export all your contacts from the device into and Microsoft Excel file in 3 simple steps. This seems to be the easiest and most effective method to create regular backups of your contacts. This program will only read contacts from the device so it is completely safe to use it.
||Windows XP, Microsoft .Net Framework 2