Learn how to control Excel worksheets with spin buttons, scrollbars, option buttons, and checkboxes.

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 create data bars in Excel, select your cells and then choose data bars from Conditional Formatting. Data bars are a kind of conditional formatting, with the bar length based on the value of the ...

Q Every now and then the tabs at the bottom of an Excel workbook disappear. I don’t know what I did to cause that to happen, and I can’t figure out how to get the tabs to reappear.