I am not able to open my output. I am getting an error message that Excel cannot open the "output.xlsm" file because the file format or file extension is not valid. Could you please point in the right direction? I am not sure what is wrong. The workflow was working perfectly fine before.
Does your file format in the tool configuration match your extension of .xlsm?
Yes. I selected Microsoft Excel Macro-enabled .xlsm. My original file has the CSV extension.