Working in cell A1:
in Conditional formatting, choose "Formula Is", then use this formula:
=(TODAY()-15)A1 and set an appropriate colour.


SAUDIA wrote:
I am looking for direction on how to write a formula to Flag a cell
containing expiration dates, once the date has gone past 15 days. I have
tried to perform this function in conditional formatting with no success.
I'm having problems with formatting the formula. Any assistance that you can
provide will be greatly appreciated.

Thanks,
Saudia