A pivot table in Microsoft Excel reorganizes data quickly into a meaningful report, and it's easy to use!

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.

You can convert daily data to weekly data in Excel by creating a pivot table, and grouping the rows in the pivot table in groups of seven days, or one week.

3. Convert to formulas. Finally, position your cursor in the PivotTable you want to convert, and from the PivotTable Tools menu, select Analyze, OLAP Tools, Convert to Formulas, as pictured below.