Find out what's behind the System Requirements for Office 2010 and what performance improvements are available in Office 2010, using newly published Microsoft white paper "Office 2010: Under the Hood Investments for Hardware and Performance" --
"highlights the broad range of hardware supported by Office 2010 and describes the significant improvements in performance available in Office 2010. Results from internal testing by Microsoft are included to demonstrate the measurable performance gains users can experience when performing common tasks using different Office 2010 apps. These results indicate that in some cases uses can expect performance gains of 90% or higher compared with using corresponding Office 2007 apps."
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