[Reporting tools] How can I create a group/parent header for columns?

[hungdm]

It will result in the group Opening/Purchasing/Closing as the following photo.

[hungdm]

Hi @AbhilashR,

I have to deal with a new challenge after using "Define Name" method.

My Input files include data for Year 2018,2019,2020, and end-user wants to have 3 different output file for each year.

If I still use your solution, how can I satisfy that requirement?