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Analysis tools which use ReportData as output data type like FFT, Average Multiple Curves, Discrete Frequency, etc will leave output column short name as default and use long name as identifier only.

For example, in after running FFT:

fft1 ix:=[Book1]Sheet1!B;// Before 2015, column short name will be renamed as Amp
range rAmp1=%(rReportData1.getlayer()$)col(Amp);

fft1 ix:=[Book1]Sheet1!B;// Now, you need to use other method such as column long name
range rAmp1=%(rReportData1.getlayer()$)col("Amplitude");

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