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I keep hitting the buy button on Microsoft (NASDAQ:MSFT | MSFT Price Prediction), and the most recent quarter told me exactly why I should not stop. Enterprise demand is absorbing AI compute faster than Microsoft can deploy it, and the receipts are on the income statement.
The number one reason is straightforward: Azure just crossed $100 billion in annual revenue for the first time, and growth is speeding up rather than plateauing. Azure revenue grew 43% year-over-year in Q4, and management guided Q1 FY27 Azure growth even higher, to 45% in constant currency. A business this large re-accelerating is the signal I care about.
The Data That Keeps Me Adding
Fiscal Q4 2026, reported July 29, 2026, delivered $90.01 billion in revenue, up 17.75% year-over-year, and non-GAAP diluted EPS of $4.74, beating estimates by 11.81%. That is the fifth consecutive EPS beat. Intelligent Cloud produced $39.31 billion in revenue, up 32%, and Microsoft Cloud reached $59.3 billion, up 27%.
The pipeline behind those numbers is what convinces me this is durable. Commercial remaining performance obligations, the contracted revenue Microsoft has booked but not yet delivered, stand at $678 billion, up 84% year-over-year. That figure is the AI transformation showing up as signed customer commitments. Microsoft 365 Copilot has climbed to over 30 million paid seats, each of them a subscription add-on inside an already-invoiced customer.
The business quality is what lets me sleep. Return on invested capital of 22%, an operating margin of nearly 47%, and a debt-to-equity ratio of 0.29 tell me this is a company earning outsized returns without stretching its balance sheet. Operating cash flow grew 30% in the quarter to $55.4 billion.
Why Not the Obvious Alternatives
I could have channeled the same capital into Alphabet (NASDAQ:GOOGL) for Google Cloud exposure, into Amazon (NASDAQ:AMZN) for AWS, or into NVIDIA (NASDAQ:NVDA) to own the silicon. What keeps my money with Microsoft is the layer none of them controls: the productivity software already installed at nearly every large enterprise on the planet. That $678 billion RPO represents contracted revenue riding on Office, Teams, Dynamics, and Windows, sold into customers Microsoft already bills every month. NVIDIA sells the picks. Microsoft owns the mine and the town around it.
The Risk I’m Watching
Capex is the real concern. Full-year FY26 capital expenditures hit $115.95 billion, up 109.63% year-over-year, and full-year free cash flow fell 6.46%. That is real money spent ahead of returns, and if AI monetization stalls, the spend becomes stranded capacity. What keeps me adding anyway is the RPO trajectory and the Copilot seat count. Customers are paying for the capacity as it is being built, and operating cash flow is accelerating faster than the capex bill can weigh it down.
Forward Conviction
Satya Nadella put it plainly: “We are advancing the frontier on the cost-to-outcome curve, ensuring every customer can turn tokens into business results.” Microsoft is selling the layer that converts compute into revenue for the customer, and that is the mechanic that compounds subscription economics over decades.
At $487.65 and roughly 27 times earnings, I am paying a fair multiple for the highest-quality compounder in enterprise software, plus a 0.73% dividend with room to grow. The buy button stays active because every quarter the receipts get harder to argue with.
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