Microsoft Azure Surpasses $100 Billion Annual Revenue Amid Record AI Infrastructure Investment

Satya Nadella said Microsoft is increasingly relying on its own AI models and custom-designed chips alongside OpenAI tech, rather than depending solely on ChatGPT to power products like Copilot, signaling an enterprise‑grade, multi‑model AI strategy.
Microsoft extended the depreciation life of long‑term data center leases from 15 years to 25 years, a change that reduces reported capital expenditures but Microsoft maintains that underlying AI infrastructure spending remains unchanged.
For fiscal 2027's first quarter, Microsoft forecast sales around $90.4 billion (midpoint), beating Wall Street estimates and signaling continued cash flow strength.
Microsoft 365 Copilot added roughly 10 million paid seats in a single quarter, bringing the total to over 30 million, marking the fastest quarterly pace of Copilot adoption to date.
Azure surpassed $100 billion in annual revenue for fiscal 2026, underscoring its scale and confirming Microsoft’s position behind AWS in cloud leadership.
Microsoft's Azure cloud business crossed $100 billion in annual revenue for the first time in fiscal year 2026, the company announced July 29. Azure grew 43% year over year in the fourth quarter alone, blowing past the company's own guidance of 39% to 40%. Total quarterly revenue hit $90 billion, up 18% from a year ago, beating Wall Street's estimate of $87.6 billion. Shares jumped roughly 8% in after-hours trading. CXO Digital Pulse
CEO Satya Nadella called the milestone a sign of broad enterprise confidence. "Azure revenue surpassed $100 billion for the first time, and Microsoft 365 Copilot reached over 30 million paid seats," he said. The results come as Microsoft shifts from relying solely on OpenAI to building its own AI models and chips. Briefs
Microsoft 365 Copilot added roughly 10 million paid seats in a single quarter, bringing the total past 30 million. That is the fastest quarterly growth pace in the product's history. Just three months earlier, the count stood at about 20 million. CXO Digital Pulse
The growth signals that enterprises are paying real money for AI productivity tools, not just experimenting. NHS England rolled out Copilot to 505,000 staff after pilots showed each clinician saved 43 minutes per day. Microsoft's commercial contract backlog also surged 84% year over year to $678 billion, showing customers are locking in long-term AI deals. Calcalist Tech
For years, Microsoft's AI strategy leaned heavily on its exclusive $13 billion partnership with OpenAI. That changed in April 2026. Microsoft and OpenAI restructured their deal, dropping exclusivity. OpenAI models launched on Amazon Web Services the very next day. CXO Digital Pulse
Now Microsoft is building its own chips and models to cut costs. Its custom Maia 200 AI chip delivers efficiency gains of up to 40%, Nadella said on the earnings call. The company also partnered with AMD on its Helios server racks in July 2026. Nadella called this a strategy of "optimizing performance and cost across workloads" using a mix of in-house and outside AI tools. Briefs
Microsoft spent $41 billion on capital expenditures in the quarter alone, up 70% from a year ago. Full-year spending for fiscal 2026 hit roughly $115.9 billion. For the next quarter, Microsoft guided capex above $50 billion. Calcalist Tech
At the same time, Microsoft extended the depreciation life of its data centers from 15 to 25 years. This accounting change lowers reported capex on paper. CFO Amy Hood said "investment expectations themselves remain unchanged." But critics warn that real infrastructure commitments are becoming "less visible in the cash flow statement," as one analyst put it. The actual money going out the door stays the same. PPC Land
For the first quarter of fiscal 2027, Microsoft forecast revenue of roughly $90.4 billion at the midpoint. That beat Wall Street estimates and points to continued growth momentum. Microsoft Cloud revenue — which includes Azure, Office 365, and LinkedIn — rose 27% to $59.3 billion in Q4. Calcalist Tech
Azure still sits behind Amazon Web Services in total cloud market share. Google Cloud is pushing hard to close the gap. But Microsoft's 43% Azure growth rate outpaces rivals and shows AI spending is turning into real revenue. Analyst Michael J. Wolf said Microsoft is "winning on both fronts — supplying cloud infrastructure and monetizing the AI tools workers use every day." Zoom Bangla iNews
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