Office Open XML Converter
Can convert Word documents, Excel workbooks, and PowerPoint presentations.
Download link is unavailable since the product is discontinued.
Office Open XML Converter allows you to convert Open XML files that were created in Office 2008 for Mac so that you can open, edit, and save them in earlier versions of Office for Mac.
You can choose to convert and open one file, or convert a large number of files at the same time.
Download link is unavailable since the product is discontinued.