The following can be found in the user manual under "Experimenter and Optimizer". Additionally, you might need an OptQuest license to achieve your goal.
Exporting .CSV Files
"You can export a spreadsheet in the .csv file format as needed. Be aware that the Optimizer will export the data from the full Optimizer results, not just selected solutions.
To export a spreadsheet of the results:
- Click the Export as CSV button.
- Navigate to the folder location where you want to store the file.
- Type a name for the file and click the Save button."
Here's a screenshot showing how to get to the experimenter:

Let us know if this helps or if you have other questions. You can select what exactly you export and change other details, but this should get you started.