Create the chart with both series. Then select the series that needs to
appear on the secondary axis. Right click and choose Format object.
On the axis tab pick secondary.
Most chart types, with the exception of 3d styles, will allow this.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.