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John Walkenbach's Favorite Excel 2007 Tips and Tricks (Mr. Spreadsheet's Bookshelf)
John Walkenbach comments on the new Excel: "I've been using Excel for over 15 years, and Excel 2007 is by far the most significant upgrade ever. For starters, we've got a new user interface, new open file formats, a larger worksheet grid, better use of memory and CPUs, new functions, and more ...