Check this out http://www.vsallaccess.com , brought to you by Silverlight technology from Microsoft :)

Many of you would find this tool useful to backup contact details in your Nokia, Motorola, Samsung and Sony Ericsson.

http://specials.msn.co.in/sp08/msphonedatamanager

I myself have not used this tool as I have a Windows Mobile based phone which has built in capability to synchronize contacts data with Windows Live

It is nice to see that people from the ODF community are also coming out publicly in support of OOXML as an ISO standard. Read on