To map incoming data elements to customer fields when importing WooCommerce customers:
1. Use the Drag & Drop interface provided by the import tool (like WP All Import) to map incoming fields to the corresponding WordPress/WooCommerce user fields.
2. Drag the data elements from the panel on the right side to the appropriate field on the left side.
3. Start with the "Customer Account Info" panel, which contains the customer's main data like username, email, etc.
4. Map additional customer information in the "Billing & Shipping Info" and "Other Customer Info" panels.
5. For custom fields, look for options to map them under a "Custom Fields" section.
6. If you need to modify data during import, you can often use custom functions or formulas to transform the incoming data before mapping it.
7. Pay special attention to fields like passwords - enable "This is a hashed password" option if importing hashed passwords from another WordPress site, or disable it for plaintext passwords.
8. For fields that don't have a direct match, you may need to use custom import options or create custom fields in WooCommerce to store the data.
9. Double check that required fields like username and email are properly mapped.
10. After mapping all necessary fields, proceed to the next step to configure additional import settings before running the import.
The key is to carefully match each incoming data element to the correct WooCommerce customer field, using the import tool's interface to drag and drop or otherwise associate the fields. Take care with sensitive data like passwords and make use of any custom field or data transformation options provided by your import tool.
Citations:[1] https://support.dotdigital.com/en/articles/8199779-map-woocommerce-customer-custom-fields-to-dotdigital-custom-data-fields
[2] https://www.wpallimport.com/documentation/how-to-import-woocommerce-customers/
[3] https://support.myworks.software/en_US/360008529634-Advanced-Topics/4409305170711-Mapping-custom-fields-between-WooCommerce-and-QuickBooks-Online
[4] https://woocommerce.com/document/customer-order-csv-import-suite/
[5] https://oxygenbuilder.com/how-to-import-and-export-woocommerce-customers/