Convert Docx File for Free

In Office 2007 Microsoft introduced a new file format called the Microsoft Open Office XML Format (.docx). This format is not compatible with older versions of Microsoft Word or with alternative operating systems like Linux or Mac OS X. Nor is it compatible with other word processing applications like OpenOffice, Lotus 123, or NeoOffice.
Here are some ways to convert Docx file for free。
Solution one:
Sometimes we need to convert files. Have you even wanted to convert files without the need to download any software?
Here comes a free Online file conversion: Zamzar. Free Online File Conversion: Zamzar
Solution two:
Download and install the Microsoft office compatibility pack

http://www.microsoft.com/downloads/details.aspx?FamilyID=9a1822c5-49c6-47bd-8bec-0d68693ca564&DisplayLang=en
This is free and allows users of older office suites to open, edit and save the new .docx format.This is for word, excel and PowerPoint
Or from this link:
http://download.microsoft.com/download/6/9/E/69EA942D-4636-4350-A526-0BFD9771A12A/O2007Cnv.exe

Solution three:
Docx-converter.com offers a portable solution for your compatability needs. It will convert a Microsoft Office .docx file into a simple html file. You can convert Docx file at http://docx-converter.com/