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Azure hit $100 billion a year and Microsoft finally admitted it
For over a decade, Microsoft refused to disclose how much money Azure made. Investors asked. Analysts estimated. The company reported only a percentage growth rate, which is interesting as trivia and useless as a number. On September 2, 2026, that changed.

Microsoft filed an 8-K with the SEC and disclosed two years of quarterly Azure revenue for the first time. The headline figure: $29.42 billion in the quarter ending June 30, 2026, a 42% increase year-over-year. For the full fiscal year, Azure crossed $100 billion in revenue for the first time, finishing at $101.9 billion, up from $75 billion the prior year.

"Given Azure's size and scale, it feels like the right moment to bring the extra level of transparency," said Jonathan Neilson, Microsoft's head of investor relations, in an interview with Bloomberg.
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A number Wall Street could not get for eleven years
The absence of a dollar figure was not an oversight. Microsoft chose it. Every quarter since Azure launched commercially in 2010, the company reported a year-over-year growth rate for "Azure and other cloud services." That percentage appeared in press releases and earnings calls but never resolved into an actual revenue line. Analysts built models off estimates. Investors pressed executives. The answer was always the same growth rate, without the base.

Amazon began disclosing AWS revenue in 2015, when it became too large to hide in "Other." Alphabet started disclosing Google Cloud revenue in 2020. Microsoft held out for six more years.

The September 2 filing does not just provide the current quarter. It provides eight quarters of history, letting analysts reconstruct the trajectory they had been estimating all along.
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https://www.sec.gov/Archives/edgar/data/0000789019/000119312526323632/msft-ex99_1.htm
Microsoft Form 8-K, September 2, 2026: Azure quarterly revenue disclosure (SEC.gov)
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[icon:CHART] Azure revenue, Q4 FY2026 (June quarter) | $29.42 billion
[icon:CHART] Azure revenue, full fiscal year 2026 | $101.9 billion
[icon:CHART] Azure revenue, full fiscal year 2025 | $75 billion
[icon:CHART] Azure YoY growth, Q4 FY2026 | 42% to 43%
[icon:CHART] AWS revenue, same quarter | $42.2 billion
[icon:CHART] Google Cloud revenue, same quarter | $24.8 billion
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AI drove roughly half the acceleration
The growth rate tells a sharper story quarter by quarter. Azure grew at 26% in June 2023. The rate held around 29% to 30% through fiscal 2024. Then it inflected: 33% in March 2025, 39% in June 2025, 40% across the first three quarters of fiscal 2026, and 43% in the final quarter.

Analysts at Stifel estimated that roughly half of Azure's growth in fiscal 2026 came from OpenAI, which runs its models on Microsoft's cloud under a long-term agreement. Anthropic also shifted more workloads onto Azure during the year.
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Supply-constrained, not demand-constrained
Microsoft's management said repeatedly that Azure demand exceeded available capacity through most of fiscal 2026. Capex tracked toward $190 billion for calendar 2026, with new data centers coming online faster than originally planned. Revenue was supply-limited, not demand-limited. Microsoft's AI business hit a $37 billion annual revenue run rate by March 2026, up 123% year-over-year.
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https://www.microsoft.com/en-us/investor/earnings/fy-2026-q4/press-release-webcast
Microsoft FY2026 Q4 earnings press release and webcast (Microsoft Investor Relations)
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The reorganisation that came with it
The revenue disclosure arrived alongside the first major restructuring of Microsoft's reporting segments since 2015. The existing three-segment structure (Intelligent Cloud, Productivity and Business Processes, and More Personal Computing) is being replaced by two segments starting in October.

The new "Agents and Infra" segment combines Azure, Microsoft 365 cloud, Dynamics, server products, and partner services. Everything else, including Windows, Xbox, LinkedIn, and search advertising, moves into a renamed "Devices and Consumer" segment.

The effect is that Azure's revenue, now disclosed as a standalone line, will sit inside a much larger pool that also contains Microsoft 365. Investors gain a specific Azure number while losing some of the segment-level margin detail that existed under the old structure.
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What the three-way comparison actually shows
Azure's $29.4 billion quarter puts it clearly in second place in the cloud infrastructure market. AWS reported $42.2 billion for the same period, a gap of roughly $13 billion per quarter. Google Cloud reported $24.8 billion, about $4.6 billion behind Azure.

The growth rates shift the picture. AWS is growing at roughly 17% year-over-year. Google Cloud is growing at around 28%. Azure's 42% to 43% is the fastest of the three. At those relative rates, the gap between Azure and AWS narrows each quarter, though AWS's absolute lead remains substantial.

Microsoft guided for Q1 fiscal 2027 Azure revenue growth of 44% to 45% at constant currency. If that range holds, the number will arrive publicly in October for the first time, rather than appearing only as an estimate in an analyst's spreadsheet.
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:LINK
https://www.cnbc.com/2026/09/02/microsoft-to-disclose-azure-revenue-as-part-of-segment-changes.html
CNBC: Microsoft to start disclosing Azure quarterly revenue, September 2, 2026