Tgood37 asked the Answer Line forum how to add checkboxes to Excel spreadsheets, and make sure that checking a box will have an effect.

You can insert or add Header and Footer in Excel spreadsheet using this tutorial. Insert page number, current date and time, etc.

Analyze your Excel information by creating high/low lines for your data charts, allowing you to easily view parameters of a given range. Mary Ann Richardson gives you the lowdown.

You can insert a Dynamic Chart in Excel using this tutorial. Learn how to convert data into table to add a dynamic chart in a spreadsheet.

In Microsoft Excel, to draw attention to a specific marker in a line chart, drop in a thin line, think of it as a marker.