Open an Excel file, and decide carefully the worksheets on which you want to apply the common changes. Press Ctrl, and then use the mouse to select the sheets you want to group.

Excel's GROUPBY function lets you group and aggregate data based on certain fields in your table of data. It also offers arguments that allow you to sort and filter your data, so you can tailor the ...

In Microsoft Excel, learn how to report time values by the hour using the underlying date serial value.