As far as I know, a special designed android data backup app could transfer everything from your phone to computer, and you don't need to root your phone, just need enable usb debugging on your phone.

Sounds useful, seems a little expensive though...

Free to try $19.99 to buy

[Share] How to transfer contacts from android to computer for backup or what

VeryAndroid Contacts Backup is a smart andriod contacts backup and managment software. It not only can copy and backup contacts on Android phone to computer, but also works perfectly in restoring contacts from computer to any android phone directly.

It can help you:
- Copy and backup contacts from Android to computer.
- Export and transfer contacts from Android as vCard file, CSV file or TXT file.
- Restore contacts to android phone any time.
- Transfer contacts to android from other phones(iPhone, Windows Mobile, Nokia, Blackberry etc).
- Set or change contact picture and contact ringtone on PC.
- Manage contacts easily on computer.

Go to the Market (on your Android) and search for VeryAndroid Contacts Backup and try.

Good luck