Northern Trail Outfitters' marketing team is new to Marketing Cloud and has very little coding...

Since the marketing team has very little coding experience, the most appropriate solution is to use an Import Activity to automatically pull files from an SFTP location into the Auto-Suppression List. This is a low-code, easy-to-manage approach and highly recommended by Salesforce for handling suppression management in Automation Studio.

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Exact Extract from Salesforce Documentation:

Source: Salesforce Help – Import Activity in Automation Studio

→ "An Import Activity in Automation Studio allows users to import data into a data extension or list from a file in an FTP location. This method supports minimal coding experience and is suitable for Auto-Suppression List management."

Source: Salesforce Help – Auto-Suppression Lists

→ "Auto-Suppression lists automatically exclude addresses from email sends. They can be managed via Import Activities in Automation Studio."

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