This document viewer/editor is a free tool that allows you to edit MS-Office/OpenOffice files (Word, Excel, PowerPoint) directly in your web browser.
You can choose a document file to edit from local computer or Google Drive™. and support connect with Google Drive™.
This app supports multiple document formats including doc, docx, xls, xlsx, ppt, pptx, odt, odp, ods, pdf.
This app makes Word, Excel, and PowerPoint documents editable in a web browser. Now you can edit your Office documents easily.
You can also download your document in PDF format directly.

*Supported formats
doc, docm, docx, dot, dotm, dotx, epub, fb2, fodt, htm, html, mht, mhtml, odt, ott, rtf, stw, sxw, txt, wps, wpt, xml
csv, et, ett, fods, ods, ots, sxc, xls, xlsb, xlsm, xlsx, xlt, xltm, xltx, xml
dps, dpt, fodp, odp, otp, pot, potm, potx, pps, ppsm, ppsx, ppt, pptm, pptx, sxi
djvu, docxf, oform, oxps, pdf, xps
Office formats exported from Google document™, spreadsheet™, or presentation™