For those without the latest Microsoft Office you'll need to download the compatibility pack for older versions of Office in order to use the ".xlsm" files.
Download the pack from here: http://office.microsoft.com/en-us/products/HA101686761033.aspx?pid=CL100796341033
For those without the latest Microsoft Office you'll need to download the compatibility pack for older versions of Office in order to use the ".xlsm" files.
Download the pack from here:
http://office.microsoft.com/en-us/products/HA101686761033.aspx?pid=CL100796341033