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.

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.

In this guide, you'll learn how to freeze top 2 rows in your Microsoft Excel spreadsheet and keep headers visible while ...

Thankfully, Excel makes it easy to hide or unhide rows and columns, allowing you to declutter your spreadsheet and focus on the information that matters most.

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.

Hiding and then unhiding columns in Excel only takes a few clicks. In this guide, we'll show you how to hide columns and bring them back in no time at all.