Hi,

Trendlines can not be applied in any 3-D chart, any stacked chart type and
Radar Charts, Pie Charts, Doughnut, Surface or Area charts.

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If this helps, please click the Yes button.

Cheers,
Shane Devenshire


"Jim Shoe" wrote:

After completing a chart and wanting a trend line, why is it that of all the
buttons under chart are available, however the trend line button never lights
up, so you can't add one?