Click search button
Select Stakeholders from the drop down list menu
Click search ( you can show filters if you want to search for specific stakeholders eg: stakeholders from a specific contact group)
Once your list is populated click the little arrow next to Stakeholder title to export into excel.
Note. there is a maximum of 2000 records that can be exported at once. If you have more than 2000 records. You will have to Run your search multiple times and export your data in different reports. To do this, when searching, show filters and run the report by date range. Once you have exported all your stakeholders you can compile your data into one big report.