Microsoft Excel's CHOOSECOLS and CHOOSEROWS functions are a game-changer if you want to quickly extract specific columns or rows from your data without nesting several functions in your formula.

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 ...

To edit a drop-down list in Excel, you can use a number of tools depending on how you created the list. Here's what you need ...