Customer profiles can usually be migrated, but existing passwords do not transfer through Shopify’s standard customer CSV. Configure the destination account experience separately. Shopify customer accounts support passwordless email codes; a legacy password-based flow needs an appropriate activation or reset process.
Preserve the customer relationship, then verify access
Customer records may carry group membership, special prices, address books, and order history. Map those requirements separately from the login itself. A customer successfully signing in does not prove that their commercial entitlements or historical orders are correct.
Test a regular customer and any account with different pricing or access. Review duplicates and changed email addresses before sending account instructions. Prepare messages for the actual sign-in method being enabled, and give the support team a documented route for resolving missing history or an incorrect account association.
What to check before deciding
- Confirm identity, addresses, consent, and historical-order matching.
- Test customer-group or B2B entitlements after migration.
- Validate passwordless or legacy sign-in as actually configured.
- Prepare support guidance for duplicate or changed email addresses.
