I’ll Keep Buying Microsoft Because of This Simple, Extremely Powerful Advantage

By Alex Sirois Published Jul 28, 10:00AM EDT

Quick Read

Microsoft sells a $30 Copilot add-on to 400 million captive enterprise seats at near-zero acquisition cost, generating 80%+ gross margin recurring revenue.
AWS lacks Microsoft's embedded productivity suite, and Alphabet lacks its 15 million paid Copilot seats and enterprise switching-cost moat.
MSFT trades at a forward P/E of 20 despite 18% revenue growth, with $627 billion in contracted backlog and near-unanimous analyst Buy ratings.
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I’ll Keep Buying Microsoft Because of This Simple, Extremely Powerful Advantage — © NicolasMcComber / Getty Images

I keep buying Microsoft. Every paycheck, every dip, every time the stock looks tired, I open the account and add more. What keeps pulling me back is the one advantage I can’t find anywhere else in my portfolio: a company that already sits inside the workflow of the enterprise world and gets to sell AI to that captive base at software margins.

That’s the thesis. Microsoft (NASDAQ:MSFT | MSFT Price Prediction) ships a $30-per-user Copilot add-on to a captive base of over 400 million commercial seats at near-zero customer acquisition cost, and books the revenue as 80%+ gross margin recurring software cash flow. That is a distribution moat competitors cannot rebuild from scratch.

The Receipts Behind the Conviction

In Q3 FY26, Microsoft’s AI business crossed a $37 billion annual run rate, up 123% year-over-year. Azure grew 40%. Commercial remaining performance obligations, the contracted backlog, nearly doubled to $627 billion. Operating margin sits at 45.62%, return on equity at 33.28%, debt-to-equity at 0.176. It was the fourth consecutive EPS beat: $4.27 against a $4.07 estimate. Operating cash flow was $46.68 billion in the quarter alone.

I look at those numbers and see a business converting compute into subscription cash flow faster than the market wants to price in. The stock is down 20.49% over the past year. Trailing P/E has compressed to 23. Forward P/E is 20. That is the multiple on a company growing revenue 18.3% year-over-year with a $627 billion backlog behind it.

Why Not the Obvious Alternatives

Amazon (NASDAQ:AMZN) is the natural comparison because of AWS. My problem with AWS as a substitute: it lacks the productivity suite already sitting on every corporate laptop. Microsoft’s Azure grew 40% in Q3 FY26 and layers a software-monetization business on top of the same infrastructure spend. Alphabet (NASDAQ:GOOGL) has model horsepower, but the enterprise seat count and switching-cost data platform live inside Microsoft 365. Paid Microsoft 365 Copilot seats hit 15 million, with customers like Publicis purchasing over 95,000 seats in a single deal. That distribution is unavailable to buy elsewhere at this valuation.

The Risk I Take Seriously

The real risk is capex. Q3 FY26 capex was $30.88 billion, up 84.39%. Prediction markets price 82% odds of Q4 capex above $44 billion. If AI demand softens, that spending drags on free cash flow. I have weighed it. Interest coverage sits at 53.89x. Net debt to EBITDA is 0.187. The balance sheet absorbs a bad year and keeps the dividend, the buyback, and the reinvestment cycle intact. Q2 FY26 alone returned $12.7 billion to shareholders, up 32%. A company that can spend $30 billion a quarter on infrastructure and still hand $12.7 billion back in the same period carries capex risk as survivable.

Why the Buy Button Stays Active

Microsoft’s distribution moat compounds through every renewal, every seat added, every Copilot attach. Analyst consensus target sits at $558.21 against $402.29 today, with 54 of 57 covering analysts at Buy or Strong Buy. My conviction rests on the machine that produces that target, one $30 seat at a time.

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About the Author Alex Sirois →

Alex Sirois is a financial writer with experience spanning both retail and institutional investing. He has written for InvestorPlace and held roles at BNY Mellon and Bernstein, giving him a perspective that bridges Main Street portfolios and Wall Street analysis.

Alex holds an MBA from George Washington University and has built his career across multiple industries, including e-commerce, education, and translation — a breadth of experience that informs how he breaks down complex financial topics for everyday investors. His writing is conversational, actionable, and grounded in long-term, buy-and-hold investing principles.

At 247 Wall St., Alex focuses on delivering analysis that is both accessible and useful, with a clear emphasis on helping readers make more informed decisions with their money.