Intune Microsoft Store for Business Applications Panel

On the Intune Microsoft Store for Business Applications panel of the New Catalog Item Wizard, which opens if you select Intune and then Microsoft Store for Business App on the Software Source panel, you select the Microsoft store for business application that you want to add to this catalog item.

Therefore, to search the entire Intune instance for a specific application, you need to use the App ID, Display Name, Publisher, and Owner column filters.

Click on the application that you want to associate with this catalog item and click Next.