DocViewKit Omni
Local, read-only browser viewer for Microsoft Office—Word (DOC/DOCX), Excel (XLS/XLSX), PowerPoint (PPT/PPTX)—plus Apple iWork (Pages, Numbers, Keynote), OpenDocument (ODT/ODS/ODP), WPS, PDF, XPS, OFD, CSV, and RTF.
Local, read-only browser viewer for Microsoft Office—Word (DOC/DOCX), Excel (XLS/XLSX), PowerPoint (PPT/PPTX)—plus Apple iWork (Pages, Numbers, Keynote), OpenDocument (ODT/ODS/ODP), WPS, PDF, XPS, OFD, CSV, and RTF.