Microsoft 365 AI skills, ready to run.

TL;DR: An AI skill is a named, reusable instruction file that tells an AI assistant how to do one well-scoped Microsoft 365 task, such as auditing SharePoint oversharing. Every skill here is free, cites a source and is read-only unless it says otherwise.

Three collections

Each skill names the Microsoft entities it touches, cites an authoritative source, and is read-only unless its scope says otherwise.

What is an AI skill for Microsoft 365?

An AI skill is a named, reusable set of instructions that tells an AI assistant how to complete one well-scoped task, such as auditing SharePoint sharing links. Microsoft’s Copilot Cowork also uses “skills”: built-in ones plus custom SKILL.md files (Microsoft Learn ). See what is an AI skill.

Cowork-bucket skills use the RACE framework so the output is predictable and governed:

Start here: Copilot readiness, oversharing and governance

Microsoft 365 Copilot answers from whatever a user can already access, so readiness starts with permissions, labels and agent governance. Read the guides first, then run the skills.

• Copilot readiness guide: what to fix in SharePoint before rollout.
• Copilot governance guide: Microsoft Purview controls for Copilot data.
• Australian Copilot compliance: mapping to Australian frameworks.
• Agent governance guide: identity and oversight for agents.

Best skills to run:

• Copilot Readiness Assessment
• SharePoint Oversharing Audit
• Everyone Except External Users Sweep
• Purview Label Coverage
• Tenant DLP Coverage Audit
• Copilot Studio Agent Inventory
• Conditional Access Coverage Gap Analysis
• Essential Eight ML2 Evidence Packager

Which skill should I run first?