How to read document with extention docx?

This is a doc file for word 2007 version.

you can read this file by using  2007 version of word

Thanks Rajesh for your reply.

So, I should have word 2007. Will it read old doc files too? Is it available on net for downloading or I must buy it?

Regards, RAKESH

You can download the free educational version of MS Office 2007 from Net. This will worked for three months period only

You can open all file at office 2007.