Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

Q. On my Excel Home tab, there is an icon called Ideas. What is this, and what does it do? A. Considering how incredibly simple it is to use the Ideas tool, it is almost shocking how powerful it is.

Q. Some of my Excel spreadsheets contain many worksheets—up to 36 in some cases. But not all the worksheet tabs show at the bottom of the screen. Is there some way to make more tabs visible, such as ...