Switching from Mailchimp: how to move your subscriber list
By: Kazushi Inui (Newsletter Ready) ・ Last updated:
How to move your subscriber list from Mailchimp to Newsletter Ready. The Mailchimp steps follow its official help pages as of October 27, 2026. If a screen has changed, check Mailchimp's help as well.
1. Export your list from Mailchimp
- In Mailchimp, go to “Audience” → “Export audience” → “Export CSV” and export a CSV file.
- You get an email when the export is ready. The ZIP contains one CSV per status (subscribed, unsubscribed, non-subscribed and cleaned). Import them all together: the file names tell us who unsubscribed or bounced.
2. Import it into Newsletter Ready
- Sign up for Newsletter Ready for free and create your organization.
- Open Subscribers → “+ Add subscribers” → “Switch from another service” and choose Mailchimp.
- Choose all the CSV files you exported. Unsubscribed and bounced people are detected from the file names and status columns.
- Choose why you may email these people (usually opt-in consent you collected at your old service) and add them.
What moves and what doesn't
| Item | After you switch |
|---|---|
| Email addresses, names and companies | Moves over |
| Unsubscribed, bounced and spam-complaint contacts | Moves over as do-not-send, so they are never emailed by mistake |
| Consent records | We record the import date and the basis and note you choose. Keep your old service's records as well |
| Past newsletters and open or click history | Does not move. Save it from your old service |
| Templates and automations | Does not move. Newsletter Ready drafts each issue from your website with AI |
Before you switch
- Keep your old account until the import and your first send have worked.
- Do not import purchased lists or people you have no basis to email.
- To send from your own domain, set up domain authentication (SPF and DKIM) on the Pro plan.
About Newsletter Ready
Newsletter Ready drafts each issue from your website's news or blog with AI, and nothing is sent until you approve it. The Free plan covers 300 subscribers and 4 issues a month.
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Sources
This page is general information, not legal advice.