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.

If you've ever had a list of first and last names that you wanted to separate Excel and Google Sheets make it easy. Here's how to do it in each application.

Use one or both of these simple Microsoft Excel macros to list all the sheets in an Excel workbook.

A complex Excel 2007 workbook could require multiple sheets. By default, Microsoft provides three sheets on each workbook, but you can add as many as you need.

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.