Use Claude Opus 5 for complex multi-step work in Microsoft 365 Copilot

Claude Opus 5 is now available in Microsoft 365 Copilot for complex, multi-step tasks.

CopilotClaudeParaphrased
Pick
Anthropic Claude Opus 5
Job

Complex, multi-step work in Microsoft 365 applications

Reasoning

Designed for agentic coding, professional knowledge work, and long-horizon reasoning, improving on previous versions. It handles more steps between idea and finished work across Word, Excel, PowerPoint, and Copilot Chat.

As of

2026-07-24

What it does and when to use it

Microsoft 365 Copilot now integrates Anthropic's Claude Opus 5. This model is designed for complex, multi-step tasks, enhancing capabilities in Word, Excel, PowerPoint, and Copilot Chat for improved reasoning and workflow automation.

Why it works

Claude Opus 5 improves on Opus 4.8 across agentic coding, professional knowledge work, and long-horizon reasoning, allowing Copilot to take on more steps between idea and finished work.

Sources and credit

First seen on Subvolts Jul 2, 2026. Updated Sep 11, 2026. 2 sources describe this; the earliest is credited first. Spotted a problem? Tell us.

Where it shows up
Terms used

Agentic

Related in the PlaybookPlaybook →

The Playbook: reusable how-tos, prompts, configs and tips pulled out of the news.

Questions people ask

Which AI tools does this work with?
The sources used it with Copilot, Claude.
Where did this come from?
Microsoft 365 Copilot Blog (Microsoft 365 Copilot Blog); Microsoft 365 Copilot Blog (Microsoft 365 Copilot Blog). Subvolts collected, normalized and credited it; the link above opens the original.