I'm using Excel 07. I keep getting the following warning when I try to save
as...:

Defined names or formulas in this workbook may display different values when
they are recalculated in an earlier version of Excel if they:

Blah
Blah
Blah

Do you want Excel to recalculate all formulas when this workbook is opened?

This is not anything that will ever affect me. How do I make this stop
popping up?