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Microsoft is making a $25 billion investment in Australian digital infrastructure, cloud computing and artificial intelligence capabilities through to the end of 2029, marking the US technology giant's largest-ever commitment to the country as global hyperscalers race to lock in capacity in one of the world's fastest-growing data centre markets.
The investment, announced by Microsoft chairman and CEO Satya Nadella during the Microsoft AI Tour stop in Sydney, covers Azure AI supercomputing and cloud infrastructure expansion, cybersecurity partnerships and a pledge to train three million Australians with AI skills by 2028.
Microsoft's commitment encompasses capital and operational expenditure and will see the company's Australian cloud footprint grow by more than 140 per cent across its 29 existing data centre sites spanning three Azure regions.
It builds on a prior $5 billion investment announced in October 2023.
“Australia has an enormous opportunity to translate AI into real economic growth and societal benefit,” says Nadella.
“That is why we are making our largest investment in Australia to date, committing $25 billion to expand AI and cloud capacity, strengthen cybersecurity, and expand access to digital skills across the country.”
The announcement lands amid an unprecedented wave of technology infrastructure investment in Australia.
Amazon Web Services announced in June last year a $20 billion data centre investment from 2025 to 2029, while Google has flagged a separate $20 billion data centre commitment - although Google last month was reported to have paused its plans due to tax concerns.
Together, the commitments from Microsoft and AWS alone total $45 billion in technology infrastructure spending over a five-year window, underscoring Australia's emergence as a critical node in the Asia-Pacific cloud and AI computing landscape.
Microsoft's announcement is underpinned by a memorandum of understanding with the Australian Government affirming the company's alignment with five expectations for data centre and AI infrastructure developers published by the federal government on 23 March 2026.
Those expectations cover national interest, clean energy, water sustainability, skills and jobs, and local research and innovation.
Prime Minister Albanese says Microsoft's investment is central to the government's national AI agenda.
“We want to make sure all Australians benefit from AI," says Albanese.
"Our National AI Plan is all about capturing the economic opportunities of this transformative technology while protecting Australians from the risks.
“Microsoft’s long-term investment in our national capability will help deliver on that plan - strengthening our cyber defences and creating opportunity for Australian workers and businesses.”
The cybersecurity component expands the existing Microsoft-Australian Signals Directorate Cyber-Shield, known as MACS, which has secured more than 38,000 government accounts and identified 35 previously unknown vulnerabilities.
Microsoft will also collaborate with the Australian AI Safety Institute on responsible AI development.
On the economic contribution front, an EY-Parthenon analysis estimates Microsoft contributed $36 billion to Australia's economy in FY25 and sustained more than 186,000 full-time equivalent jobs.
Jane Livesey, Microsoft's Australia and New Zealand president, says the investment is about building long-term trusted capability in the country.
“As organisations across government and industry navigate one of the biggest technology shifts of our generation, our focus is simple: building the trusted capability and ecosystem Australia needs to innovate confidently, compete globally, and ensure the benefits of AI are shared widely and equitably,” she says.
The commitment drew strong endorsement from industry bodies with Bran Black, CEO of the Business Council of Australia, calling it "a global game-changer" for Australia's competitiveness, while Tech Council of Australia CEO Lucinda Longcroft describes it as "a strong endorsement" of the country's potential as an AI and digital economy leader.
Belinda Dennett, CEO of Data Centres Australia, says the announcement represents "a significant vote of confidence" in the local sector, noting that operators are not seeking tax concessions but want policy stability and regulatory clarity to support long-term infrastructure buildouts.
When AWS CEO Matt Garman announced his company's $20 billion commitment last year, he said the investment reflected confidence in Australia's digital future and the growing demand for cloud services across the region.
Microsoft's $25 billion package is scheduled for deployment by the end of 2029, with the skilling component targeting three million Australians trained in AI capabilities by 2028, building on one million already trained through existing programs.
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