Creatomate lets you easily export data from your feed to CSV. It is also possible to export all corresponding renders too.
If you wish to export all of your renders, make sure they are all up to date by selecting all rows, choosing n Rows Selected, and then clicking Create Renders.
To export all data in your feed, use the Export option in the feed editor. Select the columns you wish to export and click Continue. Then, choose all the templates that you wish to include and click Continue. Verify that everything is as expected, then click Export data to generate the CSV.