There's no formula or function that will cause a cell to blink. Note
that if your work is done for a government in the U.S., it's may be
illegal - blinking cells can cause an epileptic seizure in susceptible
individuals.

In article ,
"Therese" wrote:

Thanks for advice, but I'm just looking for a simple fomular (IF there is
one such!)
Hmmm..VB is not my strongest side. But thanks.