Elissa Fink, formerly the self-styled queen of Excel pivot tables, remembers the day she hit the wall with the spreadsheet.

FORBES: A Tableau Solution To Those Excel Blues

Users can track changes in Word, manipulate pivot tables in Excel and view PowerPoint slideshows in full presentation mode right from an iPad, and access them at anytime in their Dropbox, Box or Google Drive account.

ENGADGET: CloudOn launching its iOS, Android tablet apps in 16 more countries, Office hounds rejoice