Rename header rows based on excel workbook names


New Member
Jul 19, 2019
I have hundreds of separate excel workbooks saved in a single folder. Each workbook has the same set of 28 variables with the same header row titles and contains monthly data on the cost of drugs. I want to run a loop to merge these workbooks into one. There are two main issues (1) the first column contains the drug code which I want to match each workbook on in the master excel workbook (and additional drug codes can be added each month), and (2) the headers are all the same but I want to rename these by the excel workbook name before merging into the master excel workbook so that I have the the header rows as variable_a_jan_2018, variable_a_feb_2018, etc. Is it possible to run an excel macro loop to achieve this?
Any help would be greatly appreciated :)

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