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How to Set Up Cross-Selling in Odoo 19 E-Commerce

Whether you are an odoo functional consultant scoping a new store or a business owner tweaking your catalog, these cross-selling features require zero custom code.
  • Byte Legions
  • Odoo Functional

Cross-selling is one of the most reliable ways to increase average order value without spending more on customer acquisition. If you run an online store on Odoo 19, the platform gives you built-in tools to suggest related products at the right moments during the customer shopping journey. As a trusted provider of odoo customization services in USA, Byte Legions has helped dozens of e-commerce businesses configure these features to maximize checkout performance.

The good news is that Odoo 19 does not require any third-party app or custom code for basic cross-selling. Everything is handled natively through the product template Sales tab and the website editor.

What Is Cross-Selling and Why It Matters in Odoo 19

Cross-selling means recommending complementary products alongside the item a customer is already buying. In Odoo 19, this is achieved through optional products and accessory products, while a closely related technique called upselling uses alternative products. For business owners, the impact is clear: more items per order means stronger ecommerce revenue optimization without extra marketing spend.

Understanding the Three Product Suggestion Types in Odoo 19

Odoo 19 offers three distinct product recommendation mechanisms. Each one appears at a different point in the buying process.

Optional Products

Optional products appear in an add to cart popup the moment a customer clicks “Add to Cart.” These are complementary items, like a laptop bag suggested alongside a laptop.

Accessory Products

Accessory products display in the “Suggested Accessories” section during the review order step, right before payment. This is your last touchpoint to recommend something relevant before checkout completes.

Alternative Products

Alternative products appear at the bottom of the product page. These are typically higher-tier items designed to encourage upselling, like showing a premium monitor when a customer is viewing a mid-range model.

Step-by-Step Setup for Optional Products

  1. Navigate to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. In the Optional Products field, add the items you want suggested.
  4. Click Save.

Once configured, every time a customer adds that product to their cart, a popup will display your selected suggestions. This product configurator behavior works out of the box.

Step-by-Step Setup for Accessory Products

  1. Go to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. Add products in the Accessory Products field.
  4. Click Save.

These suggested accessories checkout items appear on the order summary page. To hide this section for certain pages, open the Odoo website editor, go to the Style tab, and toggle the Suggested Accessories switch off.

Configuring Alternative Products for Upselling

  1. Go to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. Add items in the Alternative Products field.
  4. Click Save and click Go to Website to preview.

You can customize the alternative products block through the website editor’s Customize tab to adjust its heading and layout.

Best Practices for Cross-Selling in Odoo 19 E-Commerce

Keep your optional product lists focused. Two to four relevant suggestions per product is a solid starting point, as too many options create decision fatigue and hurt conversion rate optimization.

Make sure accessory products genuinely complement the main item. Irrelevant checkout page suggestions erode trust and increase cart abandonment.

Review alternative products from the customer’s perspective. Present a logical upgrade path, not a random assortment from the same category.

Finally, combine cross-selling with strong category pages. If you are optimizing your store’s discoverability, you might also find value in learning how to set up category SEO in Odoo 19 without breaking your store layout.

If you need help configuring cross-selling strategies tailored to your product catalog, or want to extend Odoo’s native features with custom recommendation logic, Book a Consultation with Byte Legions to get expert guidance on your Odoo 19 e-commerce setup.

Conclusion

Cross-selling in Odoo 19 is a powerful, no-code feature that every e-commerce store should be using. By configuring optional products, accessory products, and alternative products through the Sales tab, you can increase order values at multiple points in the checkout flow. The setup takes minutes per product, and the impact on revenue can be significant whether you are a consultant delivering a client project or a business owner managing your own store.

Frequently Asked Questions (FAQs)

1. Do I need to install any extra module for cross-selling in Odoo 19?

No. Cross-selling through optional, accessory, and alternative products is built into the Odoo 19 eCommerce module. No additional app is required.

2. Can I use cross-selling in Odoo 19 Sales orders, not just e-commerce?

Yes. Optional products also work within the Sales app. Enable the Product Configurator in Sales settings to trigger suggestions on quotations.

3. Where do accessory products appear during checkout?

They are displayed in the “Suggested Accessories” section on the order summary page, right before the customer proceeds to payment.

4. How many optional products should I add per item?

Two to four relevant suggestions per product is recommended. Too many options can overwhelm the customer and slow the purchase decision.

5. Can I customize how alternative products are displayed on the product page?

Yes. Open the website editor from the product page, select the alternative products block, and modify its heading, layout, and visibility through the Customize tab.

Whether you are an odoo functional consultant scoping a new store or a business owner tweaking your catalog, these cross-selling features require zero custom code.
by Byte Legions0 CommentsOdoo Functional
Whether you are an odoo functional consultant scoping a new store or a business owner tweaking your catalog, these cross-selling features require zero custom code.
  • Byte Legions
  • Odoo Functional

Cross-selling is one of the most reliable ways to increase average order value without spending more on customer acquisition. If you run an online store on Odoo 19, the platform gives you built-in tools to suggest related products at the right moments during the customer shopping journey. As a trusted provider of odoo customization services in USA, Byte Legions has helped dozens of e-commerce businesses configure these features to maximize checkout performance.

The good news is that Odoo 19 does not require any third-party app or custom code for basic cross-selling. Everything is handled natively through the product template Sales tab and the website editor.

What Is Cross-Selling and Why It Matters in Odoo 19

Cross-selling means recommending complementary products alongside the item a customer is already buying. In Odoo 19, this is achieved through optional products and accessory products, while a closely related technique called upselling uses alternative products. For business owners, the impact is clear: more items per order means stronger ecommerce revenue optimization without extra marketing spend.

Understanding the Three Product Suggestion Types in Odoo 19

Odoo 19 offers three distinct product recommendation mechanisms. Each one appears at a different point in the buying process.

Optional Products

Optional products appear in an add to cart popup the moment a customer clicks “Add to Cart.” These are complementary items, like a laptop bag suggested alongside a laptop.

Accessory Products

Accessory products display in the “Suggested Accessories” section during the review order step, right before payment. This is your last touchpoint to recommend something relevant before checkout completes.

Alternative Products

Alternative products appear at the bottom of the product page. These are typically higher-tier items designed to encourage upselling, like showing a premium monitor when a customer is viewing a mid-range model.

Step-by-Step Setup for Optional Products

  1. Navigate to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. In the Optional Products field, add the items you want suggested.
  4. Click Save.

Once configured, every time a customer adds that product to their cart, a popup will display your selected suggestions. This product configurator behavior works out of the box.

Step-by-Step Setup for Accessory Products

  1. Go to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. Add products in the Accessory Products field.
  4. Click Save.

These suggested accessories checkout items appear on the order summary page. To hide this section for certain pages, open the Odoo website editor, go to the Style tab, and toggle the Suggested Accessories switch off.

Configuring Alternative Products for Upselling

  1. Go to Website > eCommerce > Products and select the product.
  2. Open the Sales tab.
  3. Add items in the Alternative Products field.
  4. Click Save and click Go to Website to preview.

You can customize the alternative products block through the website editor’s Customize tab to adjust its heading and layout.

Best Practices for Cross-Selling in Odoo 19 E-Commerce

Keep your optional product lists focused. Two to four relevant suggestions per product is a solid starting point, as too many options create decision fatigue and hurt conversion rate optimization.

Make sure accessory products genuinely complement the main item. Irrelevant checkout page suggestions erode trust and increase cart abandonment.

Review alternative products from the customer’s perspective. Present a logical upgrade path, not a random assortment from the same category.

Finally, combine cross-selling with strong category pages. If you are optimizing your store’s discoverability, you might also find value in learning how to set up category SEO in Odoo 19 without breaking your store layout.

If you need help configuring cross-selling strategies tailored to your product catalog, or want to extend Odoo’s native features with custom recommendation logic, Book a Consultation with Byte Legions to get expert guidance on your Odoo 19 e-commerce setup.

Conclusion

Cross-selling in Odoo 19 is a powerful, no-code feature that every e-commerce store should be using. By configuring optional products, accessory products, and alternative products through the Sales tab, you can increase order values at multiple points in the checkout flow. The setup takes minutes per product, and the impact on revenue can be significant whether you are a consultant delivering a client project or a business owner managing your own store.

Frequently Asked Questions (FAQs)

1. Do I need to install any extra module for cross-selling in Odoo 19?

No. Cross-selling through optional, accessory, and alternative products is built into the Odoo 19 eCommerce module. No additional app is required.

2. Can I use cross-selling in Odoo 19 Sales orders, not just e-commerce?

Yes. Optional products also work within the Sales app. Enable the Product Configurator in Sales settings to trigger suggestions on quotations.

3. Where do accessory products appear during checkout?

They are displayed in the “Suggested Accessories” section on the order summary page, right before the customer proceeds to payment.

4. How many optional products should I add per item?

Two to four relevant suggestions per product is recommended. Too many options can overwhelm the customer and slow the purchase decision.

5. Can I customize how alternative products are displayed on the product page?

Yes. Open the website editor from the product page, select the alternative products block, and modify its heading, layout, and visibility through the Customize tab.

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