A free and compelling add-on, PowerPivot can import huge data sets from just about any data source and crunch them in Excel The core idea behind PowerPivot is deceptively simple: Since people use ...

Microsoft’s PowerPivot add-in for its forthcoming Excel 2010 spreadsheet enables users to work with much larger sets of data than is possible with Excel alone. Read my full review at eweek.com.

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If you have huge data sources to work with, the PowerPivot add-in lets you analyse them in Excel; especially on the 64-bit version you can deal with truly enormous data sets surprisingly fast ...

Here's how to create a pivot table in Excel to slice and dice your data, letting you perform in-depth analyses and spot important trends.