---
title: How to Attach PDF Invoices to WooCommerce Emails
description: Attach PDF invoices to any WooCommerce email so customers get their invoice automatically with the order email.
url: "https://wpfactory.com/docs/attach-pdf-invoices-to-woocommerce-emails/"
updated: "2026-09-27"
category: How to
---

# How to Attach PDF Invoices to WooCommerce Emails

To attach PDF invoices to WooCommerce emails with PDF Invoices & Packing Slips Generator for WooCommerce, go to WPFactory > PDF Invoicing, open Doc: Invoice, select each email in the Emails option (for example Completed order), and save. No emails are selected by default, and the document must already exist when the email is sent.

### Before you start

- The document must be created before or at the time the email is sent. If you attach the invoice to the "Processing order" email, make sure the document's **Create** trigger also fires by then (for example **On new order** or **On checkout order processed**). An email cannot attach a document that does not exist yet.

### Steps

1. Go to **WPFactory > PDF Invoicing** (also reachable at **WooCommerce > Settings > PDF Invoicing**) and open the **Doc: Invoice** section.
2. Find the **Emails** option (`emails`). It is a multi-select listing every WooCommerce email.
3. Select each email that should carry the PDF, for example **Completed order**.
4. Save changes.

The **Emails** list also includes a plugin-provided entry, **Partially refunded order**, so you can attach a document to that notification too.

**Note:** by default no emails are selected, so the invoice is not attached anywhere until you choose at least one. The attached file is named after the document number, for example `INV-000001.pdf`.

### Use cases

- Send the invoice with the **Completed order** email so customers get it when the order ships.
- Attach a packing slip to an internal admin email (Pro, requires a second document type).

### Get more control

Attaching one document to emails is free. [PDF Invoicing](https://wpfactory.com/item/pdf-invoicing-for-woocommerce/) Pro lets you attach different document types to different emails. [See what Pro unlocks](https://wpfactory.com/item/pdf-invoicing-for-woocommerce/).

Related articles

- [Let Customers Download PDF Invoices from My Account](https://wpfactory.com/docs/woocommerce-pdf-invoices-my-account/)
- [How to Add a Page Background or Watermark to PDF Invoices](https://wpfactory.com/docs/pdf-page-background-and-watermark/)
- [How to Create Multilingual PDF Invoices](https://wpfactory.com/docs/multilingual-pdf-invoices/)
- [How to Create and Manage PDF Invoices for WooCommerce Orders](https://wpfactory.com/docs/create-manage-woocommerce-pdf-invoices/)
- [How to Add Conditional Content and Item Loops to PDF Invoices](https://wpfactory.com/docs/conditional-content-in-pdf-invoices/)