What critical step must be taken before launching a Microsoft Advertising shopping campaign to ensure product data is accurately represented?

Before launching a Microsoft Advertising shopping campaign, you must thoroughly review and approve your product feed in the Microsoft Merchant Center to ensure product data is accurately represented. The product feed is a file containing detailed information about each product you want to advertise, including attributes like title, description, price, availability, and landing page URL. Approving the feed ensures that all required attributes are present and correctly formatted according to Microsoft's specifications. Any errors or missing information in the feed can lead to disapproved products, inaccurate ad displays, or campaign performance issues. For example, if the 'price' attribute is missing or incorrectly formatted, your product ads may not show the correct price, leading to lost sales or customer dissatisfaction. Therefore, verifying and approving the product feed within the Microsoft Merchant Center is a critical step in ensuring that your shopping campaign displays accurate and compelling product information to potential customers.