When analyzing grouped data, bypass complex functions and use a Microsoft Excel PivotTable. The article How to return first and last times from timestamps in Microsoft Excel uses dynamic array ...

Several readers have submitted questions about Excel 2010 and 2007 PivotTables, as follows: Q1: Why does Excel insert the GETPIVOTDATA function into a formula when you use the mouse pointer to refer ...

At the sheet level, conditional running totals require focused expressions, but an Excel PivotTable requires only a few field swaps. Susan Harkins shows you how. An expression to return a simple ...

Most people build a PivotTable, drag a field into Values, get a sum, and walk away. That's fine if all you need is a total, but totals on their own are just numbers sitting there. They don't tell you ...

Calculating percentages in Excel often means wrestling with absolute cell references and division symbols. But why do the work when a built-in tool can do it for you? By using the PivotTable Show ...

Q: How do I add a percentage-of-total column in a PivotTable in Excel 2010? Your PivotTable will now display the same two columns of data both numerically and as a percentage of total, as pictured ...