https://big.ideas.aha.io/ideas/APP-I-5716
allow user to upload CSV file of domain names to | Aha! Big Ideas
upload csv file
https://www.parcel2go.com/help-centre/smart-send/question/smart-send-getting-started/how-do-i-upload-a-spreadsheet-csv-file
How do I upload a spreadsheet (CSV file)? | Parcel2Go.com
how do iupload a spreadsheetcsv file
https://support.unifygtm.com/articles/8904147687-how-to-upload-an-audience-from-a-csv-file
How to Upload an Audience from a CSV File | Unify Knowledge Base
how to upload