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If you use WooCommerce PDF Invoices & packing Slips, a specific setting will be displayed on the settings page to allow you to use the invoice number in your export.
How to use invoice numbers generated by WooCommerce PDF Invoices & Packing Slips?
If you use WooCommerce PDF Invoices & packing Slips, a specific setting will be displayed on the settings page to allow you to use the invoice number in your export.