Henceforth Office Mobile for iPhone is available for Office 365 Subscribers

Releasedin Jun 14, 2013, on the Apple App Store, with Office Mobile for iPhone, you can access, view, and edit Office documents (Word, Excel, and PowerPoint) on your mobile device.

As from today, if you have an active Office 365 subscription that includes the Office desktop applications, you can download Office Mobile for iPhone from the Apple App Store.
Note: License rights to Office Mobile for iPhone are included with: Office 365 Midsize Business, Office 365 Enterprise Plans E3 and E4 and Office 365 ProPlus (including Education and Government Office 365 subscriptions with Office desktop applications).