Hi,
You can use "Conditional Formatting" from format menu. "Conditional
Formatting" will change font size, color or cell background color etc. if
your entered value matches to criteria decided by you.

Try this and revert if any problem.

Regards

Akhilesh Dalia
akhileshdalia<athotmail<dotcom

"fathead" wrote:

I have a worksheet of vehicles and i am trying to set up a fomula where when
the vehicles reach a certain mileage i would like to be reminded by a pop up
message or something similar if possible. any help would be greatly
appreciated.