The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing the formatting for the gridlines themselves.

How to work more productively online using new conditional formatting options to highlight dates in Excel Your email has been sent Software Installation Policy Five ...

How to Use TODAY() to Highlight Fast-Approaching Dates in an Excel Sheet Your email has been sent Use Microsoft Excel's TODAY() function in simple expressions to highlight the current date and past ...