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 ...

How to Add the Difference Range In Excel. The simplest way to add cells in Microsoft Excel is using the plus operator, such as "=A1+A2," but that method fails when adding different ranges.

You can subtract multiple cells from one cell in Excel by using Minus sign, SUM function and Paste Special feature. Here is a tutorial on this.

You can merge cells in Excel by using a simple drop-down menu, which will let you merge cells in a variety of ways. Here's how to use it.

Sometimes it's necessary to split cells in a spreadsheet, and Microsoft Excel makes it easy enough to do.