If you want to convert a .docx document to an older .doc file format, then you can download and install specific conversion software or use the following free web service :
If you don’t have Microsoft Office 2007 or 2010, then opening a .docx file is a problem !
With more and more users moving to this new type of document files, it is necessary to get a simple docx to doc converter !
1 ) Connect to http://www.doc.investintech.com/
2) Click the Browse blue button
3) Select the .docx file you want to convert