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I had been making use of the Office 2010 Product Key beta edition of Office 2007 Enterprise, and it converted all of my notebooks up to 2010. Now that I've uninstalled it, Windows 7 Activation model will not read them, and I cannot obtain something which will change them back again. Is it doable to change them without having buying Workplace 2010?

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I had been using the Microsoft Office 2010 Professional beta edition of Office Enterprise 2007, and it converted all of my notebooks as much as 2010. Now that I've uninstalled it, Windows 7 version won't study them, and I can't acquire something that may alter them back. Could it be feasible to alter them with out acquiring Office 2010?