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This short video shows how to save Outlook 2010 email messages to text files using Outlook's built-in export abilities. It then shows how to export to text files using the MessageExport add-in app for Microsoft Outlook. You can download a free trial of MessageExport for Outlook at http://www.encryptomatic.com/messageexport/
An accompanying article for this video is at http://bit.ly/txtoutlook