Fabric OneLake

What problem does it solve?

Fabric OneLake provides a single, tenant-wide data lake that unifies storage, governance, and access across multiple Fabric workspaces, enabling scalable lakehouse architectures and seamless cross-workspace collaboration.

Core Features & Use Cases

• Architecture overview of OneLake, hierarchical namespace, and Delta Parquet storage
• Shortcuts for cross-workspace data sharing and virtualization
• File operations, REST API access, and authentication models
• Use Cases: building lakehouses, cross-workspace data sharing, governance and caching

Quick Start

Describe how to plan and implement OneLake setups across workspaces, enable workspace identity for cross-workspace access, and create shortcuts to shared datasets.