Why Catalog Data Entry Service is a Requirement A catalog data entry service is a product information management system that enters product details into an electronic catalog. These details include product descriptions, costs, specifications, functions, and images. The purpose of catalog data entry service is to create a centralized source of product information organised systematically. So that sales teams, customers, and other stakeholders can access it with ease. Its process starts with the collection of product details from various sources, such as online sites, product manuals, or sales brochures. Then, the data is entered into a catalog by a team of data entry specialists.