MC1434580: PowerPoint Copilot on Web Adds Support for OneDrive-Stored Custom Skills

MWPRO IMPACT SCORE
OPERATIONAL IMPACT
40
0 25 50 75 100
MODERATE IMPACT • ASSESS BUSINESS IMPACT
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Primary Audience

Microsoft 365 AdminsTeams AdminsIT ManagersService Owners
Why this score?
AI Confidence
HIGH
Enough detail is available to trust this assessment.
Assessment Reasoning
This update introduces a new option for users to create and manage personal Copilot skills stored in OneDrive for use in PowerPoint for the web. Admin impact is moderate, primarily requiring governance considerations, communication updates, and support readiness. User impact is noticeable as users gain the ability to customise Copilot behaviour, but it is not disruptive to existing workflows. Urgency and effort are moderate since no admin action is mandatory, though organisations may wish to validate and update guidance promptly.
38
🛡️ Admin Impact
45
👥 User Impact
40
Urgency
35
🔧 Effort
ℹ️ WHAT YOU NEED TO KNOW
📌

AT A GLANCE

PowerPoint Copilot (web) will support user-defined custom skills stored in OneDrive. Users can upload their own skills and manage them from the Copilot pane.
👥

END USERS

Users can add personal Copilot skills and enable or disable them in Manage Skills.
🛡️

IT ADMINS

Review governance for user-created skills, update guidance, and inform support teams.
📅

ROLLOUT TIMELINE

Start:
Late July 2026

📢 Official Microsoft Message Center Announcement


Use OneDrive stored user defined custom skills in PowerPoint Copilot (web)
Message ID: MC1434580

[What and Why:]

PowerPoint Copilot on the web is introducing support for personal, user-defined custom skills stored in OneDrive. Users can upload skill folders containing a SKILL.md file to a designated OneDrive location, and those skills will automatically appear in the Copilot Skills menu within PowerPoint for the web. A new Manage Skills experience will also allow users to enable or disable individual skills directly from the Copilot pane. This enhancement supports personal productivity by enabling users to tailor Copilot to their specific workflows and presentation needs while maintaining control over which skills are available during Copilot interactions.

[Rollout Schedule:]

  • General Availability (Worldwide): Rollout begins in late July 2026 and is expected to complete by late July 2026.

[Impact on Your Organization:]

Who is affected:

  • Users licensed to use Microsoft Copilot in PowerPoint for the web.
  • Users who create or use personal custom skills.
  • Microsoft 365 administrators supporting Copilot deployments.

Platforms/Services:

  • PowerPoint for the web
  • Microsoft 365 Copilot
  • OneDrive

What will happen:

  • Users can upload skill folders containing a required SKILL.md file to a designated OneDrive location.
  • Uploaded skills are personal and visible only to the user who uploads them.
  • Eligible skills automatically appear in the Skills menu within PowerPoint Copilot on the web.
  • Users will have access to a new Manage Skills experience from the three-dot menu in the Copilot pane.
  • Screenshot 1: Users can open Manage skills from the three-dot menu in the PowerPoint Copilot on the web pane:

    user settings

  • Users can independently enable or disable individual skills.
  • Screenshot 2: Users can enable or disable individual skills from the Manage skills experience in PowerPoint Copilot on the web:

    user settings

  • Skill availability within Copilot will reflect the user’s selected settings.
  • No additional administrator deployment actions are required for the feature to appear.
  • The feature is available by default to eligible users when rollout reaches the tenant.

[Action Required/Recommendations:]

No immediate administrator action is required.

We recommend that you:

  • Review any internal governance processes related to user-created Copilot skills.
  • Prepare sample skills in the required format with a valid SKILL.md file for testing.
  • Identify pilot users who can validate the experience after rollout.
  • Update internal Copilot adoption and training materials to include guidance on custom skills.
  • Inform helpdesk and support teams about the new Skills and Manage Skills experiences.
  • Monitor user feedback following rollout to understand adoption and governance needs.

[Compliance considerations:]

Compliance Area Explanation
Stores new customer data Custom skill folders and SKILL.md files are stored in the user’s OneDrive location.
Changes data processing or access Copilot can leverage user-created skill definitions stored in OneDrive as part of the user interaction experience.
Introduces AI/ML capabilities User-defined custom skills extend how Copilot responds and interacts with content.
New generative AI interaction Users can customize Copilot behavior through personal skills and selectively enable or disable skills.
Admin or user controls Users can manage skill availability through the Manage Skills experience.

Source: Microsoft Message Center • Analysed by MWPro

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