Module 12: OneDrive, SharePoint, Files, and Work Data
Lesson 12.2: OneDrive Basics for Copilot Users
Lesson Promise
Organize personal and shared working files in OneDrive so Copilot prompts can use the right source without exposing the wrong one.
Real-World Scenario
A solo consultant keeps client drafts, templates, financial notes, and personal planning files in OneDrive and wants to use Copilot safely.
Core Concept
OneDrive files are private until shared, and sharing can happen by specific people or links depending on settings. Folder-level edit access can expose everything inside that folder.
Copilot in OneDrive availability and behavior varies by subscription, account type, service plan, and admin settings. Microsoft currently limits multiple-file summarization, comparison, and Q&A to five selected, supported text files you are permitted to access, each under 150 MB. Folder Q&A is not supported; organizing files in a folder does not make the whole folder a Copilot source.
For Copilot workflows, OneDrive is best for personal working drafts, individual client files, and small sets of files you explicitly reference or share.
Step-By-Step Workflow
- Separate personal drafts, client work, templates, and sensitive files.
- Use clear file names with client, project, date, and status.
- Prefer specific-person links for sensitive work.
- Review Manage access before asking Copilot to use shared content.
- Convert or simplify unsupported or complex files.
- Create a small approved-source folder for organization, then select permitted, supported files individually when using Copilot in OneDrive.
Prompt Lab
Bad Prompt
Summarize my OneDrive files.
Better Prompt
Using only the permitted, supported client brief files I selected in OneDrive, summarize current deliverables, deadlines, risks, and missing information. Do not use other files.
Expert Prompt
Using only the file inventory and sharing details I provide, review this OneDrive project plan for Copilot readiness. Check naming, folder structure, duplicate drafts, sensitive files, external links, edit permissions, unsupported file formats, and must-use sources. Flag missing information rather than assuming you inspected the folder or its permissions. Recommend a safer folder structure and a prompt template that uses only permitted, supported files I explicitly select.
Hands-On Exercise
Design a OneDrive folder pattern for one client or project using safe sample names.
Deliverable
A Copilot-ready OneDrive folder plan with naming rules, sharing rules, and approved-source prompt.
Work Data Review Checklist
Common Mistakes
- Assuming Copilot can only find files you personally meant to share instead of files your permissions allow.
- Leaving old, duplicated, ownerless, or overshared files in project folders and expecting Copilot to ignore them.
- Using broad SharePoint sites or folders as context when a few specific files would be safer and clearer.
- Referencing unsupported, local-only, too-large, or overly complex files without converting or simplifying them.
- Sharing Copilot-ready folders externally without reviewing links, edit permissions, block-download settings, and sensitive content.
Quiz / Checkpoint
When should you prefer a specific-person sharing link?
When the content is sensitive or should not be accessible to anyone who receives a forwarded link.
Official Sources To Verify
- Microsoft 365 Copilot privacy
- Microsoft 365 Copilot data and compliance readiness
- Configure a secure and governed foundation for Microsoft 365 Copilot
- Secure and govern Copilot
- Refer to specific files and more in Microsoft 365 Copilot
- File formats supported by Microsoft 365 Copilot
- Share files and folders in Microsoft OneDrive
- External or guest sharing in OneDrive, SharePoint, and Lists
- Manage sharing settings for SharePoint and OneDrive
- Frequently asked questions about Copilot in OneDrive