OneDrive is a cloud storage service by Microsoft that provides secure file synchronization and sharing across devices. It enables users to store documents, photos, and videos in the cloud, ensuring accessibility from anywhere with an internet connection. Its AI-powered features include smart search, file versioning, and automated organization of files based on user behavior. OneDrive’s integration with Microsoft 365 tools like Office enhances collaboration, making it a preferred choice for businesses and individuals managing digital content. The service’s balance of security, storage capacity, and ease of use makes it a cornerstone of modern cloud productivity.