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MC1038686 Stay informedUpdated messageNew featureUser impactAdmin impact

Microsoft 365 Copilot Chat and Microsoft 365 Copilot: Users can insert cloud files in Copilot chat prompts

Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
Microsoft 365 suite
Microsoft 365 admin center

Rollout

Roadmap
481139

Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".

Schedule dates changed in the text

Date phrases in schedule sentences differ between the versions this installation saw
  • Seen 17 Apr 2025 early April 2025, mid-April 2025 → late April 2025, late May 2025

Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.

What the notice says

Microsoft’s text, with source markup removed
Updated April 17, 2025: We have updated the rollout timeline below. Thank you for your patience. Coming soon to the Web tab in Microsoft 365 Copilot and in Microsoft 365 Copilot Chat: Users will be able to use the Attach cloud files feature to access Microsoft One Drive or Microsoft SharePoint to find and insert cloud files in their prompts. Before this rollout, the Attach cloud files feature opened Windows Explorer. This message applies to Copilot on the web and Copilot in the Windows desktop app. Users can access this feature with a Microsoft 365 Copilot license or a Microsoft 365 license. This message is associated with Microsoft 365 Roadmap ID 481139. When this will happen: General Availability (Worldwide): We will begin rolling out late April 2025 (previously early April) and expect to complete by late May 2025 (previously mid-April). How this will affect your organization: After this rollout, users will find this feature in the Copilot chat box. If users have a Work and Web tab in their Copilot experience, this feature is on the Web tab. Users can select + Add content and then select the cloud icon in the top right corner to display the option to Upload cloud files: The Attach cloud files feature on the Web tab in Microsoft 365 Copilot: The Attach cloud files feature in Microsoft 365 Copilot Chat: What you need to do to prepare: This rollout will happen automatically by the specified dates with no admin action required before the rollout. Review your current configuration to determine the impact for your organization. You may want to notify your users about this change and update any relevant documentation. Learn more: Get started with Microsoft 365 Copilot Chat - Microsoft Support

What changed

Between archive captures, newest first
    • Tags New feature, User impact, Admin impact → Updated message, New feature, User impact, Admin impact

    Updated April 17, 2025: We have updated the rollout timeline below. Thank you for your patience. Coming soon to the Web tab in Microsoft 365 Copilot and in … When this will happen: General Availability (Worldwide): We will begin rolling out earlylate April 2025 (previously early April) and expect to complete by mid-April 2025.late May 2025 (previously mid-April). How this will affect your organization: After this rollout, users will find …

  2. · first version seen

Linked documentation

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  • Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
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