Trendline in Excel sometimes not available

[HermanTeuling]

In some graph the option insert Trend line is not available.

Somebody knows what the reason can be?

Thanks.

Herman

[#2]

@HermanTeuling 

It depends on the chart type. What is the chart type you use?

[#3 · Accepted solution]

3D gegroepeerde kolom @Hans Vogelaar 

[#4]

I found it! Thanks 3D can not have a trend line @Hans Vogelaar