Daniel Adams commented on How do I print a .csv of feedback I've received via a Feedback page
Pagination still occurs so even with the “All Time” rage you may need to adjust the pagination to collect older submissions. Which means update “page=1” to “page=2” to “page=3” in URL. See below example.
https://[SLUG].nationbuilder.com/admin/activities/page.json?id=[PAGE-ID]&range=All%20time&page=2
posted 2019-02-11 17:01:41 -0800
https://[SLUG].nationbuilder.com/admin/activities/page.json?id=[PAGE-ID]&range=All%20time&page=2