Excel spreadsheets, especially the large ones I viewed, required a little more pinching and stretching to view, because of their larger size, but were still fairly easy to scroll through.
For people who want to take notes or presentation materials into a meeting without dragging along a stack of printouts or a laptop, this is going to be really handy. And if you use OneDrive, it's nice to know you can always have access to your files on a relatively compact and lightweight device.
Unfortunately, other cloud-based services like Dropbox aren't compatible.
But is it worth the effort to try to create or edit Office documents on an iPad?
Rather than stripping down Office to a super-basic version, like it did with the smartphone software, Microsoft created a version of Office that's customized for the tablet user and includes many of the bells and whistles of the desktop version.