Simon Hurst gets his teeth into the different characteristics of Excel's aggregate and summary functions. Adding up is one of the most common things to do in a spreadsheet. At its simplest, this might ...

How to Sum Across Worksheets in Microsoft Excel. Using multiple sheets in the same Excel workbook helps organize data into distinct categories. For example, you might have sales data for each of ...

We show you how to use the SUM formula in Excel, how to use the AutoSum feature and how simple additions with the plus sign work.

How to Sum a Column of Zeros in Excel. 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 ...

VIDEO: Microsoft Excel offers many ways for you to manipulate and organize data, including using multiple "sheets" or tabs within the same spreadsheet file.

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.