source : http://www.fjsoft.at/en/

screenshot : http://www.fjsoft.at/screenshots_mpe.htm

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.

Features:
• Adressbook - with direct sync to Outlook, Outlook Express, Lotus Notes and Thunderbird
• Organizer with calendarview and direct sync to Outlook, Sunbird, Thunderbird, Rainlendar, Lotus Notes, Google and net shared calendars (WebDAV, FTP, local)
• SMS - archive, export, import, excessive messages,…
• Filebrowser with cachesystem to minimize datatransfer…
• Set phoneclock based on atomtime
• Handle your calls via PC
• and much more. f.e.: calllists, edit profiles, phonemonitor,…

MyPhoneExplorer is designed for SonyEricsson K700,K750,K800 - but it works with every SonyEricsson-phone except the symbian-based phones (P-series, M600, W950).

I use this softwate to manage sms, contacs and install java software. I suggest you to try this. Powerfull and FREEWARE !!