I am not even sure whether it is possible. I would like to change column headings of TableView output to letters such as A, B, C etc instead of 1,2,3. Here is an example:
RandomVariate[UniformDistribution[{10, 20}], {10, 3}] // TableView
I want the results to look like an excel spreadsheet as follows:
Any help is greatly appreciated. Thank you in advance.