3M partners with Microsoft to supply optical tech for Azure AI data centers

3M announced a partnership with Microsoft to deploy its Expanded Beam Optical technology within Azure data centers. Under the collaboration, 3M will also use Microsoft's AI tools to support its own enterprise transformation, specifically in areas such as credit checks, delinquency assessments, and customer service operations.

For 3M, this agreement places the company's material science capabilities directly at the center of emerging AI and data center infrastructure buildouts. The Expanded Beam Optical technology is positioned to address the reliability, density, and speed requirements that hyperscalers prioritize when constructing large-scale data center environments. At the same time, deploying Microsoft's AI tools internally allows 3M to apply those same technologies to cost and efficiency improvements within its own operations, where the benefits are more immediately trackable.

The partnership arrives as 3M reports recent financial results and capital allocation decisions. In Q2 2026, the company generated sales of US$6,500m and net income of US$933m. Recent share repurchases totaled 36,390,756 shares for US$5,733.53m. The stock has performed strongly in the near term, closing at $172.62, up 8.0% over the past week and 16.2% over the past year. Investors are expected to monitor both the adoption of Expanded Beam Optical solutions within Microsoft's data center infrastructure and the company's execution on its AI-driven internal transformation initiatives.

The partnership reflects a broader shift in how industrial materials companies position themselves in the AI infrastructure era. By supplying optical connectivity technology specifically designed for data center density and reliability, 3M is leveraging its core material science expertise into a high-growth segment where hyperscalers like Microsoft are making sustained capital investments. This is distinct from simply selling products; it ties 3M's performance directly to the pace and scale of AI data center deployment.

Simultaneously, 3M's adoption of Microsoft's AI tools for internal functions signals that the company sees AI as a source of operational efficiency rather than merely a market opportunity. The use of AI for credit assessments and customer service suggests a focus on risk mitigation and cost reduction within 3M's own operations. Together, these two roles—as both a supplier to Azure and an internal user of AI—create a dual exposure: one to long-term infrastructure spending themes, the other to measurable improvements in execution and margins.

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