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(Updated) Microsoft 365 Copilot: Summarize and share OneDrive files in Windows using Copilot

Message ID
MC1188228
View in Message Center
Service
Microsoft Copilot (Microsoft 365)
Category
Plan for Change
Tags
Major Change New featureUser impactAdmin impact
Rollout
January 2026February 2026

Summary

Microsoft 365 Copilot will enable users to generate and share AI-generated file summaries directly from Windows File Explorer and OneDrive activity center starting January 2026. The feature is enabled by default, requires a Copilot license, and aims to enhance collaboration without needing admin setup.

Details

Updated January 26, 2026: We have updated the timeline. Thank you for your patience. 

We’re bringing the power of Microsoft 365 Copilot directly into your daily file experience in Windows. This new feature enables users to generate summaries of files and share them directly from the share dialog in File Explorer and the OneDrive activity center. This enhancement is designed to streamline collaboration and improve productivity by making it easier to provide context when sharing files.

A Microsoft 365 Copilot license is required to access this feature.

When this will happen
  • General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in early January 2026 and is expected to complete by end of February 2026 (previously late January).
How this affects your organization:
  • Who is affected: All users of OneDrive and File Explorer in Windows with Microsoft 365 Copilot enabled.
  • What will happen:
    • Users will be able to summarize files and include the summary when sharing via File Explorer or OneDrive activity center:
    •  user settings

    • The feature is enabled by default.
    • No admin configuration is required.
What you can do to prepare

No admin action is required to enable this feature.

If your organization uses or plans to use Copilot, consider:

Compliance considerations
QuestionAnswer
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. This feature uses Microsoft 365 Copilot to generate summaries of user files, which involves AI processing of customer content.
Does the change provide users any new way of interacting with generative AI?Yes. Users can now generate and share AI-generated summaries directly from File Explorer and OneDrive activity center.

Change History

Show
January 27, 2026 at 2:30 AM Updated
Title
Previous
Microsoft 365 Copilot: Summarize and share OneDrive files in Windows using Copilot
New
(Updated) Microsoft 365 Copilot: Summarize and share OneDrive files in Windows using Copilot
Summary
Previous
Microsoft 365 Copilot will enable users to generate and share AI-generated file summaries directly from Windows File Explorer and OneDrive activity center starting January 2026. The feature is enabled by default, requires a Copilot license, and needs no admin setup. It enhances collaboration by providing context when sharing files.
New
Microsoft 365 Copilot will enable users to generate and share AI-generated file summaries directly from Windows File Explorer and OneDrive activity center starting January 2026. The feature is enabled by default, requires a Copilot license, and aims to enhance collaboration without needing admin setup.
Last Updated Date
Previous
2025-11-19T23:33:30.737Z
New
2026-01-26T23:35:06.420Z
Tags
Previous
New feature,User impact,Admin impact
New
Updated message,New feature,User impact,Admin impact
Body Content
Previous

We’re bringing the power of Microsoft 365 Copilot directly into your daily file experience in Windows. This new feature enables users to generate summaries of files and share them directly from the share dialog in File Explorer and the OneDrive activity center. This enhancement is designed to streamline collaboration and improve productivity by making it easier to provide context when sharing files.

A Microsoft 365 Copilot license is required to access this feature.

When this will happen
  • General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in early January 2026 and is expected to complete by late January 2026.
How this affects your organization:
  • Who is affected: All users of OneDrive and File Explorer in Windows with Microsoft 365 Copilot enabled.
  • What will happen:
    • Users will be able to summarize files and include the summary when sharing via File Explorer or OneDrive activity center:
    •  user settings

    • The feature is enabled by default.
    • No admin configuration is required.
What you can do to prepare

No admin action is required to enable this feature.

If your organization uses or plans to use Copilot, consider:

Compliance considerations
QuestionAnswer
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. This feature uses Microsoft 365 Copilot to generate summaries of user files, which involves AI processing of customer content.
Does the change provide users any new way of interacting with generative AI?Yes. Users can now generate and share AI-generated summaries directly from File Explorer and OneDrive activity center.
New

Updated January 26, 2026: We have updated the timeline. Thank you for your patience. 

We’re bringing the power of Microsoft 365 Copilot directly into your daily file experience in Windows. This new feature enables users to generate summaries of files and share them directly from the share dialog in File Explorer and the OneDrive activity center. This enhancement is designed to streamline collaboration and improve productivity by making it easier to provide context when sharing files.

A Microsoft 365 Copilot license is required to access this feature.

When this will happen
  • General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in early January 2026 and is expected to complete by end of February 2026 (previously late January).
How this affects your organization:
  • Who is affected: All users of OneDrive and File Explorer in Windows with Microsoft 365 Copilot enabled.
  • What will happen:
    • Users will be able to summarize files and include the summary when sharing via File Explorer or OneDrive activity center:
    •  user settings

    • The feature is enabled by default.
    • No admin configuration is required.
What you can do to prepare

No admin action is required to enable this feature.

If your organization uses or plans to use Copilot, consider:

Compliance considerations
QuestionAnswer
Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data?Yes. This feature uses Microsoft 365 Copilot to generate summaries of user files, which involves AI processing of customer content.
Does the change provide users any new way of interacting with generative AI?Yes. Users can now generate and share AI-generated summaries directly from File Explorer and OneDrive activity center.

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