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Video course · 9 chapters · 26 min · certificate

Copilot Skills Explained: How to Build and Use Them

Lisa Crosbie teaches beginners how to create and use reusable AI skills in Microsoft Copilot. The chapters cover skill files, Excel, Agent Builder, Cowork, and PowerPoint.

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What you'll learn

  • Explain what an AI skill is and why it saves time
  • Identify the structure of a skill.md file
  • Upload and run a skill in Microsoft Excel
  • Create a new skill using Copilot chat
  • Add skills to Agent Builder and Cowork
  • Use built-in skills in PowerPoint

Chapters

9 chapters · 26:01
  1. 3:21 01Core concept Members AI Skills are suddenly everywhere! Understand what an AI skill is and why it matters.
  2. 1:32 02Example walkthrough Members A real skill example: Client Project Health Check See a realistic skill built around a messy client spreadsheet.
  3. 3:21 03File structure Members Understanding skill.md Files Learn the simple text format behind every skill.
  4. 5:02 04Excel setup Members Using Skills in Excel Upload and run a custom skill in Microsoft Excel.
  5. 2:08 05Skill creation Members Create Your First Skill with Copilot Ask Copilot to write the skill.md file for you.
  6. 1:21 06Excel results Members Reviewing the results of running the skill in Excel Check the cleaned spreadsheet and new health check tab.
  7. 5:39 07Agent Builder Members Using Skills in Agent Builder Add custom skills to a Copilot agent for broader context.
  8. 2:34 08Cowork setup Members Using Skills in Cowork Add skills to Cowork for complex delegated tasks.
  9. 1:03 09PowerPoint skills Members Skills in PowerPoint Discover built-in skills ready to use in PowerPoint.