Microsoft Excel 2007 RTM

A renovated interface and file format make Excel 2007 RTM drastically different from its ancestors.

Microsoft Excel 2007 RTM

If you regularly rely upon Excel and plan to upgrade, then prepare to school yourself in its new ways. We suspect that Excel 2007 will be a worthy upgrade for people whose bread-and-butter work involves spreadsheets--especially those that require quick visual analyses of data. However, this may not be the case if you've already memorized old Excel formulas and don't need the visual pizzazz.