NOTE: If you are unsure of the publisher or do not believe the workbook should contain active content then you should contact the workbook's author before enabling active content.
» By default Excel 2007 will disable any workbooks that have unsigned active content (i.e Workbooks containing macros) and display a security warning ribbon like the one shown in figure 1. If active content is disabled and you are not seeing the security ribbon then your macro security settings will need to be adjusted. To adjust your Macro Settings please follow the steps shown below: