To highlight lines in an existing Excel document, click the "File" tab. Click "Open," browse to the spreadsheet and double-click it. Otherwise, Excel opens a new spreadsheet for you to use.

Hiding lines, or rows, in Microsoft Office Excel 2010 is very simple: Right-click the lines and select "Hide." However, expanding the hidden lines in the Excel spreadsheet is not as simple. To get ...

Excel for the web now supports conditional formatting, and the interface is easier to use than the desktop edition. Susan Harkins shows you how to use it.