Migrating from local to cloud storage involves moving data from physical on-premises devices (like servers, NAS, or hard drives) to remote internet-accessible servers managed by a provider (e.g., AWS S3, Azure Blob, Google Cloud Storage). It typically requires assessing data, choosing a migration method (direct upload tools, hybrid gateways, or specialist software), configuring the cloud storage, transferring data securely, and validating the move. The process differs from local storage management as it shifts responsibility for hardware maintenance and scaling to the cloud provider.

Common approaches include using cloud provider tools like AWS DataSync or Azure Data Box for large batch transfers. For ongoing synchronization of files from user devices or local file servers, cloud-native syncing services like Dropbox or OneDrive, or enterprise file sync and share (EFSS) platforms are used. Industries like media use cloud migration to archive large video libraries, while businesses use it to centralize data for analytics and collaboration tools.

Key benefits are scalability, reduced physical maintenance costs, and improved accessibility. Major challenges involve managing network bandwidth limitations, ensuring data security in transit and at rest through encryption, and understanding ongoing egress and storage costs. Choosing the right transfer method, performing thorough testing, and considering compliance requirements are critical for a smooth transition to a more flexible infrastructure.