If you can change it while you look at it you can change it with a macro.

What Kind of chart is it?
is it the X, Y or Z axis you wish to change?

I would first try to record a macro of me trying to change it the way You
want it changed and then go from there.
"scmancl21" wrote:

Is there a way to change the axis scale of an existing chart in an excel
spreadsheet from vb code?

Thanks,
Scott