From official Sony Ericsson PC Suite you can not backup your sms.MyPhoneExplorer is a 3rd party software which allows you to control your phone from your PC.This software provides you to full functionality of your phone from PC.You can perform many tasks.
and the list goes on.
Connect your phone via cable, bluetooth or infrared and you’ll be surprised how easy and efficient you can manage your phone with this compact software. Since it’s first appearance MyPhoneExplorer evolved into the most popular freeware tool for SE-phones and is constantly extended by new features.
MyPhoneExplorer is basicly compatible with all Phones from SonyEricsson except P800i, P900i and P910i. Besides this there exists a few Low-Cost-Phones (f.e. T200i) which does not have a PC-Interface. If you are using a Symbian-Phone from SE please note: Its needed to install the PC-Suite first and the connection with MyPhoneExplorer is only possible throught USB-Cable.
Click here to visit official website of MyPhoneExplorer