Microsoft shifts engineers to Copilot

Microsoft is tightening its AI stack in two places at once: internal software engineering and enterprise workflow automation. Reports published on May 18 said the company is winding down most internal use of Anthropic’s Claude Code and steering engineers toward GitHub Copilot CLI, with employees told to remove Claude Code from internal development workflows by June 30, 2026. (developer-tech.com) At the same time, Microsoft is expanding what Copilot Studio can do inside business processes. (m365admin.handsontek.net) A newly surfaced “computer use” capability lets makers build reusable UI automations that can operate across websites and apps, while administrators keep control through access settings, hosted browser management, and environment-level permissions. Taken together, the changes show Microsoft putting Copilot deeper into execution layers rather than leaving it as a chat interface. That reading is consistent with Microsoft’s recent Copilot and agent announcements around DevOps loops, MCP support and workflow tooling. (developer-tech.com) ### Why does the Claude Code cutoff matter inside Microsoft? Developer Tech reported on May 18 that Microsoft is preparing to end most internal Claude Code use and direct engineers to GitHub Copilot CLI instead. The report said employees were given until June 30, 2026 to remove Claude Code from internal development workflows. (m365admin.handsontek.net) The Verge, as cited by secondary reports, said the change affects Microsoft’s Experiences + Devices organization, which includes teams working on Windows, Microsoft 365, Outlook, Teams and Surface. Those reports said financial considerations and a push to converge on GitHub’s own command-line agent also shaped the timing. (developer-tech.com) June 30 is also the end of Microsoft’s fiscal year, according to those reports, giving the move a clear internal deadline. ### What is Microsoft adding to Copilot Studio? Microsoft’s “computer use” feature for Copilot Studio was listed with roadmap ID 562220 and described as a preview feature created on May 15, 2026. (developer-tech.com) The listing says makers can build goal-oriented automations that adapt to changes in websites or apps instead of relying on brittle fixed scripts. The same rollout notice says admins can govern the feature through access controls, hosted browser management and environment-level permissions. (letsdatascience.com) A separate Microsoft 365 admin notice on hosted browser settings shows Microsoft has already been building tenant-level controls around computer-use execution. Another Copilot Studio update, published last week, said MCP-compliant tools would reach public preview on May 18, 2026, allowing users to connect proprietary systems, dynamic knowledge sources and custom actions into agent workflows. ### Where does custom code fit into this? (m365admin.handsontek.net) A separate technical pattern from Microsoft 365 Copilot developer blogging has focused on using Copilot as a front end while business logic runs in controlled back-end code. Although the specific post cited in the briefing was not surfaced directly in search, related posts from the same author describe narrow tools, security trimming, policy enforcement and audit-friendly integration patterns for enterprise systems. (m365admin.handsontek.net) That matters because Copilot Studio’s newer features are not only about generating text. They are increasingly about connecting prompts to governed actions, whether through UI automation, tool calls or external systems. (m365admin.handsontek.net) ### What does this mean for teams using analytics and automation? GitHub and Microsoft have been adding more agent behavior to Copilot, including DevOps automation and broader tool support. That means analytics, finance and operations teams adopting Copilot-style workflows will need controls around validation, permissions and handoffs between model output and business systems. (blog.bajonczak.com) Microsoft’s published roadmap says the Copilot Studio computer-use feature is slated for preview in October CY2026, with an earlier preview date listed as April CY2026 in the roadmap entry. GitHub Copilot’s own agent and workflow features are already being expanded, giving Microsoft multiple product milestones to watch over the rest of 2026. (m365admin.handsontek.net) (developer-tech.com)