Migrating WooCommerce Customer Data and Order History to Shopify

Your product catalog is the easy part of a WooCommerce to Shopify migration. The part that actually causes sleepless nights is customer data and order history — years of purchase records, saved addresses, loyalty status, and account relationships that your business runs on, sitting in a MySQL database structured nothing like Shopify expects. Get this wrong and you lose the ability to answer basic questions like "what did this customer buy last year" the moment you go live.

What's Actually at Stake

Customer and order data isn't just historical record-keeping. It powers your segmentation for email marketing, your customer service team's ability to look up past orders, your returns and warranty process, and your understanding of lifetime value by customer. Losing or corrupting this data during migration doesn't just create an inconvenience — it breaks operational workflows your team depends on daily.

This is also the piece of a migration that's hardest to undo. You can fix a theme issue or reconfigure a shipping zone after launch without anyone noticing. You cannot quietly go back and re-import three years of order history a second time without risking duplicate records, mismatched totals, and a support team fielding confused customer emails about their account showing the wrong purchase history.

What Needs to Move

• Customer accounts: Name, email, saved shipping and billing addresses, account creation date
• Order history: Every past order with line items, pricing at time of purchase, applied discounts, and fulfillment status
• Payment records: Order totals and payment method used (not raw card data — that should never be exported or transferred directly)
• Customer notes and tags: Any internal notes or segmentation tags applied to customer profiles
• Subscription and loyalty data: Points balances, subscription status, and membership tiers if you're running these on WooCommerce extensions

The Migration Process, Step by Step

1. Export your WooCommerce data. Use WooCommerce's built-in CSV export for customers and orders, or a dedicated migration tool like LitExtension, Cart2Cart, or Matrixify for a more complete extraction including metadata that basic CSV export misses.
2. Clean the data before you touch Shopify. Remove duplicate customer records, standardize address formatting, and flag any orders with incomplete data. Migrating messy data just moves the mess to a new platform.
3. Map WooCommerce fields to Shopify's data structure. Shopify's customer and order objects don't map one-to-one with WooCommerce's — for example, Shopify handles order tags and customer metafields differently, so custom fields need explicit mapping before import.
4. Run a test import with a small data sample first. Import 50 to 100 customer records and orders, then manually verify every field landed correctly before running the full migration.
5. Run the full import during low-traffic hours. Large imports can take hours depending on volume, and you want this happening when it won't interfere with live orders.
6. Reconcile record counts. Confirm the number of customers and orders in Shopify matches your WooCommerce export exactly — any discrepancy needs to be investigated before you consider the migration complete.

Common Mistakes That Corrupt Data During Migration

• Migrating orders without preserving historical pricing. If a product's price has changed since an order was placed, the historical order needs to retain the price at time of purchase — not the current price.
• Losing the link between guest checkout orders and customer records. WooCommerce allows guest checkout that later gets associated with an account; this relationship needs explicit handling or you'll end up with orphaned orders.
• Ignoring refunded and cancelled orders. These still matter for accounting and customer service history, but are easy to accidentally exclude from an export filter.
• Manually re-entering data instead of using a migration tool. Beyond a few dozen records, manual entry introduces more errors than it solves, and it doesn't scale past a small store.

Tools That Handle This Well

Purpose-built migration tools exist specifically because this process has enough edge cases to break manual approaches. LitExtension and Cart2Cart both offer WooCommerce-to-Shopify migration paths that handle customers, orders, and product data with field mapping built in. Matrixify (formerly Excelify) is a strong option if you need granular control over exactly which fields map where, particularly useful for stores with heavily customized WooCommerce checkout fields or metadata.

What to Verify After Migration

1. Spot-check 20 to 30 customer profiles for correct contact info and address data
2. Confirm order totals match between systems, including tax and shipping charges
3. Test that customer accounts can log in and see their correct order history on the new store
4. Verify any customer segments or tags used for email marketing carried over correctly

A Realistic Timeline

For a store with under 5,000 customer records and order history spanning two to three years, expect data migration alone to take three to seven days including cleanup, mapping, test imports, and verification — separate from the product catalog and theme work happening in parallel. Stores with 20,000+ records or heavily customized checkout fields should budget closer to two to three weeks for this piece specifically, since the field mapping and verification steps scale with complexity, not just record count.

Don't Risk Your Customer Relationships on a DIY Migration

Corrupted order history doesn't just create a data problem — it damages customer trust the moment someone can't find their past purchase or warranty record. TheDeki has handled WooCommerce to Shopify data migrations for stores with tens of thousands of customer records and knows exactly where the common failure points are. Book a free migration consultation with TheDeki and get your customer and order data moved without the guesswork.