check before: 2026-01-01
Product:
Copilot, Microsoft 365 Copilot, OneDrive
Platform:
Online, US Instances, Web, World tenant
Status:
Change type:
Admin impact, New feature, Updated message, User impact
Links:
Details:
Summary:
Microsoft 365 Copilot will roll out globally from early to late January 2026, enabling faster PDF reviews via a context menu in OneDrive web. It offers "Explain this" and custom prompts for text explanation. A Copilot license is required; no action is needed now.
Details:
Updated December 17, 2025: We have updated the timeline. Thank you for your patience.
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 early January 2026 (previously mid-December 2025) and expect to complete by late January 2026.
Change Category:
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Scope:
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Release Phase:
Created:
2025-12-06
updated:
2025-12-18
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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Pictures
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summary for non-techies**
Microsoft 365 Copilot is introducing a feature in OneDrive web that allows users to highlight text in PDFs for quick explanations or to ask specific questions, enhancing document review efficiency, with a gradual rollout starting January 2026.
Direct effects for Operations**
User Experience Impact due to Licensing Requirements
Users without a Microsoft 365 Copilot license will be unable to access the new PDF review features, leading to frustration and decreased productivity as they cannot utilize the faster review process.
- roles: End Users, IT Support
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2025/12/17/updated-microsoft-365-copilot-review-pdfs-using-copilot-context-menu-and-ai-actions/
User Experience Impact from Feature Rollout Timing
If the rollout occurs without proper communication, users may be unaware of the new features, leading to confusion and inefficient use of OneDrive for PDF reviews, as they may not know how to access or utilize the new context menu options.
- roles: End Users, Training Coordinators
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2025/12/17/updated-microsoft-365-copilot-review-pdfs-using-copilot-context-menu-and-ai-actions/
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-12-18 | MC Messages | 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. | Updated December 17, 2025: We have updated the timeline. Thank you for your patience.
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 early January 2026 (previously mid-December 2025) and expect to complete by late January 2026. |
| 2025-12-18 | MC Title | Microsoft 365 Copilot: Review PDFs using Copilot context menu and AI actions | (Updated) Microsoft 365 Copilot: Review PDFs using Copilot context menu and AI actions |
| 2025-12-18 | MC Last Updated | 12/06/2025 01:20:17 | 2025-12-17T18:18:04Z |
| 2025-12-18 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
| 2025-12-18 | MC Summary | Microsoft 365 Copilot will enable faster PDF reviews via a context menu in OneDrive web, offering "Explain this" and custom prompt options. It rolls out worldwide from mid-December 2025 to late January 2026. A Copilot license is required; no action is needed now. | Microsoft 365 Copilot will roll out globally from early to late January 2026, enabling faster PDF reviews via a context menu in OneDrive web. It offers "Explain this" and custom prompts for text explanation. A Copilot license is required; no action is needed now. |
Last updated 2 weeks ago ago
