Microsoft Corp (NASDAQ:MSFT)'s fiscal fourth quarter results will be a key test of the company's AI execution, with Azure growth, AI infrastructure spending and Microsoft 365 Copilot adoption expected to be the main focus when the software giant reports, according to Bank of America analysts. The analysts wrote that "AI execution remains the central debate" heading into the results, adding that fiscal 2027 commentary on Azure growth, data center buildout and AI backlog conversion will also be closely watched. The analysts highlighted that Azure remains the key metric for investors, with Microsoft previously guiding for 39% to 40% year-over-year growth in constant currency. The analysts also identified Microsoft 365 Copilot adoption and broader AI monetization as important proof points. The analysts reiterated a 'Buy' rating and a $500 price target on Microsoft shares, implying upside from current levels of about $400.