You specify the font size as part of the code that pops up the message box. It is not SET anywhere. It is not CHANGED anywhere. The only difference is that this messagebox has a font property that can be set. The VBA one does not
To be honest though, the easiest way to do this is to create a little userform - that way you can put whatever controls you want on it and use whatever font size / colour you need
Rgds, Geoff
We could learn a lot from crayons. Some are sharp, some are pretty and some are dull. Some have weird names and all are different colours but they all live in the same box.
Please read FAQ222-2244 before you ask a question