OffiViewer

Office document viewer.

Opens PDF, Word (doc,docx), Excel (xls,xlsx), PowerPoint (ppt,pps,pptx), OpenDocument, RTF.

IMPORTANT:
1. Needs good Internet connection to do server-based document rendering
2. Free Service is limited to 2MB per document
3. Viewer i.e. no editing

See website for full info, email for help.