Navigate to the file path chosen earlier and select the file labeled 'older drivers spreadsheet' or 'older drivers spreadsheet.xls'. Once you've opened the file, select Enable Macros if a prompt is given. Not doing so will give not allow you to use the spreadsheet's functionality. On occasion, Excel may present a different dialog warning you that this file contains macros and ask you if you are sure that you want to open it. If such a prompt is given, select Yes.
Further help is available within the wizard itself.
Clicking on the Project Overview icon will open the executive summary from the ORNL report, Projecting Fatalities in Crashes Involving Older Drivers, 2000-2025. Also found in the overview is a link to the ORNL CTA website where you can view the entire report online. In certain situations, closing Excel 2000 will cause a dialog box titled 'VBA Project Password' will appear asking for a password. Clicking OK will lead to an 'Invalid Password' response. Click 'Cancel' several times to get rid of this box.