Office Converters and HTML Viewers

In support of Microsoft’s ongoing efforts to increase the interoperability of its various technologies, we have partnered with Dialogika to create a translator that converts the Microsoft Office binary file formats (.DOC, .XLS, and .PPT) into the Office Open XML standard format (.DOCX, .XLSX, .PPTX).

http://blogs.msdn.com/b/interoperability/archive/2009/05/11/binary-to-open-xml-b2x-translator-interoperability-for-the-office-binary-file-formats.aspx

http://b2xtranslator.sourceforge.net/

Enables OpenXML documents to be viewed on any client system in any browser as HTML, and includes an add-ins for Internet Explorer, Firefox and Opera (Windows/Linux)

http://www.interoperabilitybridges.com/projects/openxml-document-viewer

Enables bi-directional interoperability between Microsoft Office (Open XML) and Open Office (ODF) file formats

http://www.interoperabilitybridges.com/projects/openxml-document-viewer