To enable macros follow these easy steps:

1.  Open Microsoft Excel.

 

2.  Click on the "Tools" Menu and select "Options" from the dropdown list.

 

3.  Select the "Security" tab on the top right corner of the "Options" menu.

 

4.  Under the "Security" tab select the "Macro Security" button.

 

5.  When the window pops up select the "Medium" radio button option.

 

6.  Press "Ok" and then "Ok" again to return to Excel.

 

After following these steps you may proceed to open the document, you will
only have to do this once on the computer that you wish to use for running the
worksheet.