Hello @District60 ,
Facebook should have a way for you to export the contacts. Once you have the file, you can import it into your Constant Contact account.
Keep in mind, welcome emails won't trigger off of manual list additions, so you'll need to make sure the automation setup for the list you're adding to is a List-Join type. Once your automation is active, then you'd upload your contacts file to the list associated with the automation.
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