M365 Archive
Back to latest version
You're viewing a historical snapshot from Oct 18, 2025. This is not the latest version.

Metadata at Oct 18, 2025

Message ID

MC1174856

View in Message Center

Published

Oct 18, 2025

Service

Microsoft 365 Copilot Chat

Tag

New feature
User impact
Admin impact

Roadmap ID

500638

View roadmap details

Platforms

Web
View the latest version See what changed since this version

MC1174856 - Microsoft 365 Copilot: Session persistence enhancement for Copilot chat

Message Center

What changed since this version

removed textadded text

Updated April 3, 2026: We have updated the timeline. Thank you for your patience. 

Introduction

We’re improving the reliability of Copilot chat by ensuring that conversations are preserved even when users navigate away from a chat. With this update, a session entry is created in the navigation pane as soon as a prompt is submitted. This allows users to return to the conversation later without losing context or progress.

This capability will be available to all users whereMicrosoft 365 Copilot has been enabled.Chat and Microsoft 365 Copilot users.

This message is associated with Microsoft 365 Roadmap ID 500638.

When this will happen:

  • Worldwide (General Availability): Rolling out from October 27, 2025,December 12, 2025 (previously December 3), to October 31, 2025end of April 2026 (previously March)
  • GCC: Rolling out from November 3, 2025,January 19, 2026 (previously January 3), to November 28, 2025end of April 2026 (previously March)
  • GCC High: Rolling out from November 10, 2025,January 19, 2026 (previously January 3), to November 28, 2025end of April 2026 (previously March)
  • DoD: Rolling out from November 10, 2025,January 19, 2026 (previously January 3), to November 28, 2025end of April 2026 (previously March)

How this affects your organization:

Who is affected: All users ofCopilot Chat and Microsoft 365 Copilot (Microsoft 365)users in commercial, GCC, GCC High, and DoD environments.

What will happen:

  • A session entry will now appear in the navigation pane immediately after a prompt is submitted.
  • Users can navigate away from a chat and return later without losing the conversation.
  • This update improves continuity and reduces the risk of session loss.
  • No changes to admin settings or policies are required.

What you can do to prepare:

No admin action is required at this time. You may wish to:

  • Inform helpdesk staff of this behavior change.
  • Update internal documentation if you describe Copilot chat behavior.

Compliance considerations:

No compliance considerations identified, review as appropriate for your organization.

Snapshot from Oct 18, 2025

Introduction

We’re improving the reliability of Copilot chat by ensuring that conversations are preserved even when users navigate away from a chat. With this update, a session entry is created in the navigation pane as soon as a prompt is submitted. This allows users to return to the conversation later without losing context or progress.

This capability will be available to all users where Copilot has been enabled.

This message is associated with Microsoft 365 Roadmap ID 500638.

When this will happen:

  • Worldwide (General Availability): Rolling out from October 27, 2025, to October 31, 2025
  • GCC: Rolling out from November 3, 2025, to November 28, 2025
  • GCC High: Rolling out from November 10, 2025, to November 28, 2025
  • DoD: Rolling out from November 10, 2025, to November 28, 2025

How this affects your organization:

Who is affected: All users of Microsoft Copilot (Microsoft 365) in commercial, GCC, GCC High, and DoD environments.

What will happen:

  • A session entry will now appear in the navigation pane immediately after a prompt is submitted.
  • Users can navigate away from a chat and return later without losing the conversation.
  • This update improves continuity and reduces the risk of session loss.
  • No changes to admin settings or policies are required.

What you can do to prepare:

No admin action is required at this time. You may wish to:

  • Inform helpdesk staff of this behavior change.
  • Update internal documentation if you describe Copilot chat behavior.

Compliance considerations:

No compliance considerations identified, review as appropriate for your organization.