Magento 2 Extension : Pro Newsletter Subscribers Import Export
http://store.ibnab.com
Module Magento 2 for import newsletter subscribers subscribers table. it's module allows you to import and export your magento 2 newsletter subscribers in bulk via csv . it give you abilty to :
Filter exprted newsletter subscribers
import directly inisde newsletter subscribers grid viw (button and modal)
validation of file before import
download simple file template
export import as csv format
import export from standard system path
many option before importing like :( Import Behavior , Field separator , Allowed Errors Count)