1. What kind of chart?
2. How many series are in the chart?

You must have two series to enable adding a secondary axis, and you add it
by assigning at least one series to the secondary axis.

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
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"JON" wrote in message
...
I'm trying to add a secondary Y and then X axis in XP Professional, but
they
are greyed out on the Chart Options Box and when I follow Excel's Help
directions, SELECTED DATA SERIES does not show up on the FORMAT tab. How
would one 'unlock' the ability to insert secondary axis' in an Excel
chart?
when EXCEL HELP doesn't work?