Azure Blob Storage

Massively scalable object storage for unstructured data including backups, media files, and data lakes.

Azure Blob Storage handles exabytes of data with ease. It serves as the foundation for modern data lakes (ADLS Gen2) and high-performance web applications. You get four storage tiers (Hot, Cool, Cold, and Archive) to balance access speed against cost. Security is baked in via Microsoft Entra ID and encryption at rest. Whether you are streaming 4K video, storing medical imaging files, or running petabyte-scale analytics jobs, this service provides the 99.999999999 percent (11 nines) of durability required for enterprise production.

https://azure.microsoft.com/en-us/products/storage/blobs/