List Subtraction
Subtract leads from List B (a CSV file with a 'Domain' column) based on domain names in List A (a text file of domains), producing a filtered CSV excluding matching domains.
Try Demo
Download these demo files and upload them to the respective fields above:
Demo List A
List A contains a list of domain names used to filter out matching domains from List B.
Demo List B
List B is the original CSV containing your data, with a 'Domain' column that List A domains are matched against for subtraction.