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. Microsoft Excel is the most widely-used spreadsheet program ...

Want to know how to use VLOOKUP and SUM across multiple sheets in Excel? We've got you covered with two different methods.

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

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

It is possible to make the Sum Excel formula reference another sheet, or multiple sheets, and add up a range of cells across those sheets.

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

How to Do the Sum of an Indefinite Series in Excel. The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet.