For years, discussions about artificial intelligence in the workplace have focused largely on automation. Many expected AI to spend most of its time writing emails, summarising meetings and handling routine administrative tasks. However, new data suggests a different reality is emerging.
According to the latest Microsoft Work Trend Index, the most common use of AI at work in 2026 is decision-making rather than content creation or task automation. The report analysed more than 100,000 Microsoft 365 Copilot chats from users worldwide in February 2026 and found that workers are increasingly relying on AI to assess information, weigh options and reach conclusions. Decision-making accounted for 27.5% of workplace AI activity, making it the largest category by a significant margin.
The findings point to a broader shift in how AI is being integrated into daily work. Rather than simply carrying out tasks, AI is becoming a tool that helps people think through problems, exercise judgment, and make informed decisions in an increasingly complex information environment.
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Here are the ten most common ways people are using AI at work in 2026.
