Microsoft sells software, cloud services, content, advertising and devices to consumers, businesses, public bodies, developers and hardware makers. Cash arrives in four forms: cloud subscriptions recognised ratably (Microsoft 365, Dynamics 365, LinkedIn), consumption of computing resources (Azure), on-premises licences recognised on delivery, and advertising plus hardware and games. Multi-year contracts are generally invoiced annually at the start of each coverage period, which is the main source of the $67.3 billion of unearned revenue on the balance sheet.
The business in one page
The filing defines three segments, reorganised in August 2024 with prior years recast. Productivity and Business Processes holds Microsoft 365, LinkedIn and Dynamics; Intelligent Cloud holds Azure, server products, GitHub, Nuance and enterprise services; More Personal Computing holds Windows OEM, Surface, Xbox and search advertising. Microsoft Cloud revenue of $168.9 billion is 60.0% of the total.
What we think matters
- Operating margin still climbing at this size
- Return on capital of 29.3% through a build-out
- A balance sheet that owes nothing on net
- Free cash flow fell while earnings rose
- Capacity that does not show up as capex
- Cloud margins compressing as AI capacity lands
How Microsoft makes money
Competitive advantage
The filing grounds it in scale: datacentres with lower unit costs than smaller ones, aggregated demand that raises utilisation, and multi-tenancy that lowers application maintenance cost.
Microsoft Cloud revenue of $168.9 billion is 60.0% of the total, and the Productivity and Business Processes margin reached 57.8% against 53.2% in FY2023.
Switching costs protect the installed base: the risk factors note that users may incur costs to move data and buy new content and applications when changing platform.
The company states the limits itself: barriers to entry in many of its businesses are low, and in AI the competitors are often also partners.
Pricing power
No average prices are published, but Microsoft 365 Commercial cloud revenue grew 15% on a 6% rise in seats, implying about 8.5% more revenue per seat.
A consumer price increase for Microsoft 365 was announced in January 2025 and affects only part of FY2025.
Gross margin fell 0.9 points to 68.8%, so pricing gains at the application layer are being offset by the cost of cloud capacity.
Growth transparency
Growth in FY2025 is organic: acquisitions net of cash were $5,978 million against $69,132 million in FY2024, the year of Activision Blizzard.
Segments were recast in August 2024 with prior years restated, so the three-year series is comparable on the new definition.
Server products and cloud services, up 23.3% to $98,435 million, provided most of the increase.
Scalability
Operating expenses rose 6.2% against revenue up 14.9%: research and development +10.1%, sales and marketing +4.9%, general and administrative −5.1%.
Cost of revenue grew 18.5%, faster than revenue, which is where the cloud build-out shows up.
The leverage is in the fixed cost structure, not in the cost of serving the next unit of cloud demand.
Catalysts identified in the filing
- $375 billion of contracted backlog
Remaining performance obligations of $375 billion, $368 billion of it commercial, with about 40% expected to be recognised within twelve months.
- Capacity already contracted but not yet earning
Leases not yet commenced of $92.7 billion, starting between FY2026 and FY2031, and construction commitments of $32.1 billion. With Azure growing 34%, bringing this into service is what turns demand into revenue.
- A tax law that may cut cash taxes
The act enacted on 4 July 2025 introduces bonus depreciation and the option to expense US research spending. Cash taxes paid were $28.7 billion in FY2025, 31.7% above the income statement charge. The company is still assessing the effect.
- A full year of Microsoft 365 pricing
The consumer price increase announced in January 2025 and commercial revenue per seat up about 8.5% will apply across a whole year.
Financial analysis
Figures for 3 fiscal years, taken from the Key Metrics tables of each annual report. When a later filing restates a figure, we use the figure reported for that year's own filing.
Key metrics
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Revenue | $211.9B | $245.1B | $281.7B |
| Gross margin | 68.9% | 69.8% | 68.8% |
| Operating margin | 41.8% | 44.6% | 45.6% |
| Net margin (GAAP) | 34.1% | 36.0% | 36.1% |
| Operating cash flow | $87.6B | $118.5B | $136.2B |
| Capex | $28.1B | $44.5B | $64.6B |
| Free cash flow | $59.5B | $74.1B | $71.6B |
| Stock-based compensation | $9.61B | $10.7B | $12.0B |
| Dividends + buybacks | $42.0B | $39.0B | $42.5B |
| Net cash | – | -$22.3B | -$17.6B |
| Total debt | – | $97.9B | $112.2B |
| Shareholders’ equity | $206.2B | $268.5B | $343.5B |
| Effective tax rate | 19.0% | 18.2% | 17.6% |
| ROIC (effective tax) | – | 30.8% | 29.3% |
Key risks
The main weaknesses and risks identified in the latest annual report, in the order the report presents them.
- Free cash flow fell while earnings rose
Net income grew 15.5% but free cash flow fell 3.3% to $71,611 million, so conversion dropped to 70.3% of net income from 84.0%. Capital expenditure took 47.4% of operating cash flow, against 32.1% two years earlier.
- Capacity that does not show up as capex
$20,511 million of right-of-use assets arrived through finance leases in FY2025 and never touched the cash flow statement. Finance lease liabilities rose 70.1% to $46,172 million and now exceed long-term debt of $40,152 million.
- Cloud margins compressing as AI capacity lands
Intelligent Cloud gross margin fell to 62.2% from 66.1%, and Microsoft Cloud to 69%. Depreciation on the new capacity arrives before the revenue it is meant to serve.
- An IRS claim worth a third of liquidity
For tax years 2004 to 2013 the IRS seeks $28.9 billion plus penalties and interest on transfer pricing, equal to 30.6% of year-end liquidity. Unrecognised tax benefits are $24.7 billion with $8.2 billion of accrued interest, and the auditor treats the matter as a Critical Audit Matter.
- Buybacks that only stand still
$18,420 million was spent on repurchases, including $5.4 billion of shares withheld for tax, and shares outstanding ended the year unchanged at 7,434 million. Against $11,974 million of share-based pay, the programme neutralised dilution rather than reducing the count.
Open questions the filing does not answer
- How much of the $64.55 billion of capex is maintenance and how much is growth? Without that split, owner earnings of $71,434 million understate the business by an unknown amount.
- What share of the $4,725 million of losses in 'Other, net' is OpenAI, and what is the carrying value of that investment?
- What utilisation and what return is the AI capacity already installed producing? The filing gives Azure growth but no profitability by workload.
- How much interest was capitalised into construction during the year, and what would interest cover be without it?
- Why did accounts receivable grow 22.8% against revenue up 14.9%, taking days sales outstanding to 90.6 from 84.8?
- What will the 4 July 2025 tax act do to cash taxes, which already exceeded the book charge by 31.7%?
At $497.41 and 7,433,166,379 shares the market valued Microsoft at $3,697.33 billion, 36.3 times earnings and 51.6 times free cash flow, for a free cash flow yield of 1.94% — 1.61% once share-based pay is treated as the cost it is.
On margins, return on capital, balance-sheet strength and revenue visibility the filing describes a company of high quality: operating margin of 45.6% against 41.8% two years earlier, ROIC of 29.3%, net cash of $51.41 billion before leases, and $375 billion of remaining performance obligations. The exception is cash conversion. Free cash flow fell to 70.3% of net income from 84.0%, because capital expenditure grew 45.1% to $64.55 billion and a further $20.51 billion of capacity arrived through finance leases, which never pass through the cash flow statement as capex.
With a cash yield below 2% the return depends almost entirely on future growth in free cash flow, and the price assumes the investment phase converts back into cash: that capex stops outgrowing revenue and that cloud gross margins stabilise. In FY2025 the opposite happened. The commitments already signed — $32.1 billion of construction, $110.0 billion of purchases and $92.7 billion of leases not yet commenced — are $234.8 billion that needs paying demand behind it.
Strengths
- Operating margin still climbing at this size
Operating income reached $128,528 million on revenue of $281,724 million, a margin of 45.6% against 41.8% in FY2023. Operating expenses grew 6.2% against revenue up 14.9%, and general and administrative costs fell 5.1% in absolute terms.
- Return on capital of 29.3% through a build-out
NOPAT of $105,907 million on invested capital of $361,098 million, with the capital base already carrying the $204,966 million of property and equipment that the AI expansion has created. FY2024 was 30.8%, so two years of heavy investment have cost 1.5 points.
- A balance sheet that owes nothing on net
Liquidity of $94,565 million against bonded debt of $43,151 million leaves $51,414 million of net cash. Interest cover is 53.9 times. Including all lease liabilities the position turns to $17,619 million of net debt, still 0.11 times EBITDA.
- Revenue that is contracted before it is earned
Remaining performance obligations are $375 billion, of which $368 billion commercial, and the company expects to recognise about 40% within twelve months. Microsoft Cloud is 60.0% of revenue.
- Pricing that shows through in the numbers
Microsoft 365 Commercial cloud revenue grew 15% against a 6% rise in seats, an implied 8.5% more revenue per seat. The Productivity and Business Processes operating margin rose to 57.8% from 53.2% in FY2023.
Last year’s watch-list, checked against this filing
| What we flagged | What happened | Result |
|---|---|---|
| Share repurchase programme of 14 September 2021 ($60.0 billion) | Completed in April 2025 (Note 15) | DONE - programme closed as stated |
| Share repurchase programme of 16 September 2024 ($60.0 billion) | Started in April 2025, $57.3 billion still available at year end | ON TRACK - $2.7 billion used |
| Annual dividend per share | $3.32 in FY2025 against $3.00 in FY2024 | DELIVERED - up 10.7% |
| Pillar Two, applying from FY2025: no material impact expected | Effective tax rate of 17.6% against 18.2% | CONSISTENT - rate fell rather than rose |
| Activision Blizzard purchase price allocation, measurement period open at 30 June 2024 | Completed as of 30 September 2024; adjustments folded into an 'Other' line without a breakdown | NOT QUANTIFIABLE - the filing gives no split |
| Margin, capex and capacity targets | The 10-K contains none; guidance is given outside the filing | NOT POSSIBLE - no stated target to check |
What to watch in the next filing
- Microsoft Cloud gross margin. Below 65%, from 69%, and the case for a return on the AI build-out weakens.
- Capex against operating cash flow. Above 60%, from 47.4%, and free cash flow no longer covers dividends and buybacks without borrowing.
- Free cash flow as a share of net income. Below 60%, from 70.3%, and earnings quality has to be reassessed.
- Azure and other cloud services growth. Below 20%, from 34%, and the capacity already contracted risks standing idle.
- Losses in 'Other, net'. Above $8 billion a year, from $4.73 billion, and the OpenAI relationship weighs materially on reported earnings.
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