SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of ...

For example, the SUM function accepts two numbers and returns a number. Functions of different categories in Excel often return the same data type.

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 ...

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

Referencing can become difficult, especially if you’re using structured referencing. Instead, reference a spill range so you can use the hashtag shortcut.