Bulk Excel Conversion from and to XLSM, XLS, XLSX

I was working on a project where I needed to import 32 XLSM files into a database using SSIS.
Unfortunately SSIS does not support XLSM files. So instead of manually saving all the files as XLSX,
I found this nifty utility.

Thanks goes to David Miller on Experts Exchange.

http://www.experts-exchange.com/Software/Office_Productivity/Office_Suites/MS_Office/Excel/A_8269-Convert-between-Excel-file-formats-XLS-XLSX-XLSM-with-without-macro-option.html