The software is expected to be ready for a release in November, sources tell . This would match up with from The Daily, which claimed to of Office on an iPad.

Microsoft , calling the report "inaccurate rumors and speculation." So much for that: BGR's source claims that the Office they saw looked "almost identical" to a picture shown by The Daily, so maybe the folks in Redmond weren't entirely truthful.

In any case, releasing a mobile version of Office for both Android and iOS makes a lot of sense. Windows Phone is behind its larger competitors in terms of market share and, although Windows 8 is supposed to be tablet-friendly, there's no guarantee that those tablets will be able to compete with the market-leading iPad.

If you need more evidence of the public's desire for mobile Office, look at the top paid apps in the iTunes App Store. In the Productivity category, Apple's Pages, Keynote, and Numbers apps are consistently in the list of top ten bestsellers, and have been since in January 2010. As of Wednesday evening, Pages was third, Keynote ninth, and Numbers is 11th in that category.