How to backup iPhone 3G SMS to computer

http://www.converter123.com/iPhone-So... Tansee iPhone Transfer SMS can provide you:
- Backup SMS in iPhone to computer before iPhone reject receiving new SMS.
- View and Manage old iPhone SMS in your computer.
- View SMS in Text file format (.txt file), ANTS file format (.ants file), MHT file format (.mht file)on PC.
- Password protection support (ANTS file only).
- Edit SMS (ANTS file only).
- Print SMS (MHT file print by IE).