Check out Jon Peltier's article about this very thing:

http://peltiertech.com/Excel/Charts/AlignXon2Ys.html
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Best Regards,

Luke M
*Remember to click "yes" if this post helped you!*


"Jana J" wrote:

I am using a bar-line combination chart and wondering if I can align the zero
markers on both the left and right y axes. This would result in negative
values on my secondary axis to appear below the zero line (of both axes)
which is what I want.