To collaborate with channel partners in Manufacturing Cloud, it is recommended to use external apps and Experience Cloud. External apps are applications that run outside of Salesforce but can integrate with Salesforce data and functionality. They can provide custom solutions for specific business needs and extend the capabilities of Manufacturing Cloud. For example, external apps can enable partners to access inventory levels, order status, product catalogs, and pricing information from Salesforce. Experience Cloud, formerly known as Community Cloud, is a platform that allows you to create branded digital experiences for your customers, partners, and employees. It can help you engage with your channel partners and provide them with self-service tools, collaboration features, and personalized content. For example, Experience Cloud can enable partners to view and update sales agreements, account forecasts, rebates, and targets from Salesforce. It can also help you train and onboard your partners, monitor their performance, and reward them for their achievements. References: Engage with Your Partners, Re-Imagining Partner Relationships with Manufacturing Cloud, Manufacturing Cloud