Step 1: Click on the organizer view
Step 2: Select Export CSV Comments
Next, in the Actions drop down menu, find and select the option Export CSV Comments.
Or you can do this directly from the Responses tab.
Step 3: Download CSV
A window will pop up with a link to download the report.
Click Download CSV.
Step 4: The report
When you open your downloaded report, it'll look something like this. You can edit it manually as it'll open in your default spreadsheet software.
You've generated and downloaded a report from your activity.
Great. You've learned to export a CSV* file with all your response data.
*CSV: comma-separated values