What file type is required when I share my contact list? Michael Mueller November 02, 2020 20:04 Updated Follow We ask that you share your contact list in an Excel file (.csv) with the following columns: supplier/manufacturer brand, contact name, and contact email. Click here for a sample CSV Related articles What should my contact list include? What is the Label Insight retailer initiative? Am I a manufacturer or third party? Comments 0 comments Please sign in to leave a comment.