Need to color a specific gridline in an excel chart insterted to Powerpoint

[Jamie]

I have inserted an excel chart into Powerpoint. I need to color a specific gridline. I have done it before, but can't remember how. Can someone help me out please!!!!
Thank
Jamie

 

[Jon Peltier]

Jamie -

You have to format all gridlines the same way. But you can follow this
technique to add another gridline of whatever color you want:

http://www.geocities.com/jonpeltier/Excel/Charts/AddLineHorzErrBar.html
or
http://www.geocities.com/jonpeltier/Excel/Charts/ArbitraryGridlines.html

- Jon