Even though the development of a data importer is a complex matter, you don’t want your users’ experience with it to be just as complex or complicated. The second they experience any friction or fault in data onboarding, the chances of them bailing from the software will skyrocket. So, in this post, we’re going to focus on how best to present your data importer to users.

https://smashingmagazine.com/2020/12/designing-attractive-usable-data-importer-app/