Susan Harkins shows you how to combine a function and conditional formatting to highlight weekends and holidays using Excel.

Build on this earlier calendar that highlights weekends to also highlight holidays. This technique relies on the NETWORKDAYS () function, which is available in Excel 2007 and later versions.

Last month, we used conditional formatting to highlight holidays in a matrix-style calendar; we added this enhancement to an earlier article that used conditional formatting to highlight weekends.

Use Microsoft Excel's TODAY() function in simple expressions to highlight the current date and past and future dates.

The Excel WORKDAY function's purpose is to return the serial number of the date before and after a specified number of workdays. Learn how to use it.