Companies frequently face data breaches when employees lose laptops and disks, but sharing and storing company documents on third-party cloud services carry their own risks, including phishing attacks.

WSJ: What's a Company's Biggest Security Risk? You.

While there are plenty of third-party apps that can handle Office documents, release of the official apps is likely to be of great interest to those who work a lot with Word, Excel and PowerPoint documents when out and about.

FORBES: Office 2013 For iOS And Android Coming March 2013, Claims Microsoft Product Manager

But if the Dallas paper legally obtained documents stolen by a third party, precedent suggests it is the thief and not the newspaper who would be subject to prosecution, even if the newspaper should have known that the information was stolen.

ECONOMIST: Trials and the press