Under $20

docXConverter 3.0 A tool to open and use docx and xlsx files With docXConverter you will be able to open any docx file created by the new MS Word 2007 or any xlsx file created by the new MS Excel 2007. Just double-click a docx or an xlsx file you have received and it will open in one of the programs currently installed on your computer. From here on, you can use the file as you would have any doc or xls file.

You may purchase risk-free with a 30 days money-back guaranty.
 

click image to enlarge Specifications Size:   2.7 MB (Windows) 4.6 MB (Mac) Price:   $19.95 Platforms:   Windows: 98/NT4/ME/2K/XP/Vista  Macintosh: OS 9, OS X 10.2 to 10.5

Benefits Easy installation with automatic set-up Easy to use. Installation and first conversion will be be done in one minute Extremely faithful conversion for docx (all elements of Word 2007 are treated) Easy to configure for special needs Compatible with a large number of operating systems