Windows Phone 8 takes the mobile office farther with SkyDrive integration, including 7 GB of free space, for storing pictures, files and data on the cloud and built-in support for Office 365 for email and SharePoint access.

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You also get 20 additional gigabytes of storage on SkyDrive, on top of the 7 GB that comes for free, plus 60 minutes of free international calls a month on Skype.

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Consumers can access Office web apps via SkyDrive for free although there is a 25 GB storage limit and 50 MB file size limit for Word, PowerPoint and OneNote files and a 2 MB file size limit for Excel.

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