Microsoft’s AI Revenue Engine Gives Investors a 2030 Case

Microsoft’s stock was trading near $497 on September 16, giving the company a market value of roughly $3.7 trillion and a trailing price-to-earnings ratio near 30. That is hardly a bargain-bin valuation. Yet the investment case highlighted by 24/7 Wall St. rests on an expanding earnings engine that is becoming harder for the market to dismiss.

Azure crossed $100 billion in annual revenue for the first time in fiscal 2026, growing 41%, while Microsoft Cloud revenue reached $214.4 billion, up 27%, according to the company’s latest results. Azure growth accelerated to 43% in the June quarter, and management said customer demand still exceeded available capacity.

That imbalance is central to the 2030 thesis. Microsoft is not merely selling access to third-party artificial intelligence models. It is monetizing computing capacity through Azure, layering on software through Microsoft 365, and adding developer and enterprise tools such as GitHub Copilot, Foundry and Agent 365. The company said Foundry had reached 100,000 customers, while its commercial remaining performance obligation climbed 84% to $678 billion.

Copilot is the more important test for shareholders. Microsoft 365 Copilot surpassed 30 million paid seats by the end of fiscal 2026, with quarterly net additions more than doubling. If those users translate into higher average revenue per customer and broader adoption across smaller businesses, Microsoft can turn a costly AI infrastructure buildout into a recurring software annuity.

There is a catch. Microsoft Cloud gross margin fell to 66% for the year and 65% in the June quarter as the company absorbed the cost of GPUs, data centers and rising product usage. Capital intensity will remain elevated, especially as Microsoft expands data-center capacity and competes with Amazon and Alphabet for enterprise AI workloads.

The stock’s appeal through 2030 therefore depends less on another burst of enthusiasm than on operating leverage. Azure must keep growing rapidly, Copilot must become indispensable rather than merely popular, and AI revenue must outpace the infrastructure bill. Microsoft has the balance sheet and distribution to make that happen. Investors are paying today for evidence that it will.