UPDATE: Microsoft released Office for iPad.
A student in my Master Class recently asked me about office suites for the iPad. He was looking for a way to work with and move documents and other files to his PC. Here are a few resources that may help.
There are a number of office suites for the iPad. This article introduces five such apps.
http://www.zdnet.com/5-good-office-apps-for-the-ipad-7000022962/#photo
You may also want to try a combination of Apple’s iWork for iCloud and Apple’s iWork apps for iOS.
http://www.pcadvisor.co.uk/how-to/software/3472360/how-use-pages-numbers-keynote-in-windows/
If you’re looking for a free solution, this app may work for you:
https://itunes.apple.com/us/app/documents-free-mobile-office/id306273816?mt=8