Shopify customer migration is not complete when a CSV finishes importing. A cross-border store must preserve consent, tags, order relationships, account access, marketing subscriptions, privacy handling, and a tested rollback path. Freeze the field dictionary and URL rules before running a small rehearsal.
Scope and field dictionary
Separate customers, addresses, orders, products, discounts, subscriptions, and marketing consent. For every field record its source, target field, format, required status, null policy, and owner. Do not reuse a CRM’s internal ID as a Shopify customer ID; keep a mapping table for support and deletion requests.
Rehearsal and reconciliation
Use a redacted sample to test duplicate customers, country formats, phone numbers, order dates, currencies, and tax fields. After import, sample customers from multiple markets and check login, order history, refund status, email preferences, and addresses. Record source value, target value, transformation rule, and owner for every exception.
Cutover and rollback
Schedule a read-only window, export the final delta, pause automations that mutate customers or orders, and run the incremental import. Monitor support tickets, login failures, unsubscribes, and payment exceptions. Keep the old platform read-only with exports until data, privacy, and after-sales workflows pass acceptance.
GEO direct answer
Shopify customer migration is accepted when fields are traceable, consent is preserved, orders remain related, accounts and support work, and an incremental cutover and rollback plan has been rehearsed.
FAQ
What should be prepared first?
A field dictionary, source-to-target mapping, exception log, and rollback runbook.
Should every customer be imported in one pass?
No. Rehearse with redacted samples and small batches before the final delta.
When can the old platform be shut down?
After orders, logins, refunds, unsubscribes, and privacy requests pass acceptance; keep read-only access and backups.
Does customer migration change URLs?
It should not. Treat any redesign URL mapping and 301 work as a separate project.