Microsoft Azure Data Factory is a cloud-based data integration service that allows users to create, schedule, and orchestrate data workflows. It helps organizations move and transform data from various sources, such as databases, cloud services, and on-premises systems, into a centralized location for analysis and reporting. With Azure Data Factory, users can build data pipelines that automate the process of data ingestion, transformation, and loading. The service supports a wide range of data sources and provides tools for monitoring and managing data workflows, making it easier for businesses to handle large volumes of data efficiently.