Fixes the capitals in names, formats phone numbers, removes duplicate and blank rows, which the Excel file leaves to you. On every plan. Email verification from Starter.
Where do NOTES, MEMBER_RATING and the other columns go?
Into Description on each contact, labeled like "Notes: Asked about the annual plan. | Mailchimp rating: 4 | Opted in: 2026-03-02 10:41:07 | Tags: "Webinar", "Newsletter"".
What about unsubscribed contacts?
Mailchimp exports include subscribed and unsubscribed addresses. Filter unsubscribed rows out of the CSV before upload to avoid importing people who opted out.