Table of Contents
Summary
- Microsoft 365 Copilot will streamline PDF reviews by providing explanations of selected text in plain language.
- Users can customize prompts for more tailored results, enhancing productivity without needing to switch apps.
- Available in the Copilot context menu for PDFs in OneDrive web, offering two main options: “Explain this” and custom prompts.
- A Microsoft 365 Copilot license is required to access this feature.
- No immediate action is needed; some users may experience this feature before others in the organization.
Admin Impact: Low
User Impact: Low
Release Start: 15 Dec 2025
Release End: 31 Jan 2026
Services: M365 Copilot
Category: Stay informed
Tags: New Feature, User Adoption, Admin Action
History
12/6/2025 Item Added to Message Center
Microsoft Message
Introduction
Microsoft 365 Copilot makes PDF reviews faster and easier. It explains selected text in plain language and lets you customize prompts for tailored results, so you spend less time switching between apps.
When this will happen
General Availability (Worldwide, GCC, GCC High, DoD): We will begin rolling out in mid-December 2025 and expect to complete by late January 2026.
How this will affect your organization
The Copilot context menu provides quick access to actions that reduce PDF review time. Two options are available:
- Explain this (default): Instantly explains selected text in plain language.
- Custom prompt: Add your own prompt for tailored results—no need to switch apps.
For OneDrive for work users, the Copilot context menu is available for PDFs in OneDrive web.
Steps to use the Copilot context menu in OneDrive web:
- Go to https://onedrive.com and sign in with your work account.
- Select the PDF you want to review.
- Highlight any text in the PDF. The context menu will display Explain this. Press Enter for a plain-language explanation.
- To customize, type your own prompt in the input field and press Enter for tailored results.
Licensing requirements
A Microsoft 365 Copilot license is required to use this feature.
What you need to do to prepare
No action is required at this time.
Note: Some users may see this feature before others in your organization.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.