ArcelorMittal expands Microsoft partnership on cloud

Microsoft expanded its collaboration with ArcelorMittal as part of the steelmaker’s “Cloud First, Data Centric” strategy. ArcelorMittal will keep Azure as its primary cloud platform and add Microsoft Fabric, Purview, and Foundry to modernize IT systems, improve cybersecurity, and reduce dependence on legacy infrastructure. The announcement is strategically positive for Microsoft’s enterprise cloud and AI stack, reinforcing Azure’s role in large-scale industrial digital transformation. No financial terms were disclosed, so the immediate market impact is more qualitative than quantitative, but the deal supports Microsoft’s positioning in cloud modernization and could modestly strengthen investor confidence in its long-term enterprise revenue growth.