Microsoft’s $15B capex “cut” is just accounting

Not a spending slowdown

Microsoft’s latest capex update sounds like a vibe shift — the kind where a hyperscaler finally taps the brakes on the AI spending frenzy. But nope. The company says its calendar-2026 capex forecast now sits around $175 billion, down from roughly $190 billion in April, and the whole thing comes down to an accounting tweak, not a change in how aggressively it’s building out infrastructure.

The lease magic trick

Here’s the slightly nerdy part: Microsoft is extending the estimated useful life of its data centers and office buildings from 15 years to 25 years starting in fiscal 2027. That pushes more of its future data-center lease activity into operating leases instead of finance leases. And because finance leases count in reported capex while operating leases don’t, the headline number shrinks even though the actual spending plan doesn’t.

CFO Amy Hood basically said as much on the earnings call, noting that outside of the useful-life change, the 2026 capex outlook is unchanged. In other words: the spreadsheet changed, not the shopping cart.

Still very much in the spending gym

If you were hoping for an AI spending cool-off, Microsoft keeps saying “not yet.” The company expects fiscal Q1 2027 capex, including finance leases, to top $50 billion, and its fiscal Q4 2026 capex plus finance leases already jumped 69% year over year to $41 billion. Hood also said fiscal 2027 capex should grow year over year because demand across the portfolio is still strong.

Big picture: the $175 billion figure may sound softer, but Microsoft is still all-in on the data-center arms race. The market gets a cleaner accounting story; the AI buildout keeps roaring.