Copilot conversation appears in history but opens as a blank page

There is no confirmed user-side repair for one Copilot conversation that remains listed but opens blank; preserve the available activity first, test the legacy Copilot experience if your personal account is still migrating, and then escalate with the affected conversation’s details.

1. Export the activity before changing anything

For a personal Microsoft account:

1. Sign in to the Microsoft privacy dashboard with the same account used for Copilot.
2. Go to Privacy → Empower your productivity → Copilot → Your Copilot app activity history → Copilot apps.
3. Select Export all activity history.
4. Download and safely store the resulting export. Microsoft documents that Copilot activity history records prompts and responses, but the export is not guaranteed to contain or reconstruct this particular inaccessible conversation.^1^

Do not select Delete all activity history, delete “Original Chat,” or clear Copilot history while recovery is being investigated.

Copilot normally saves conversations and allows them to be reopened from history; personal Copilot conversation activity is retained for 18 months by default.^2^ A visible title does not, however, prove that the underlying messages remain recoverable.

2. Conditionally test the pre-migration experience

Microsoft is moving personal-account content into an updated Copilot experience, and that migration can take time. If your account may be undergoing this move:

1. Open an InPrivate/Incognito window.
2. Visit copilot.microsoft.com.
3. Sign in with the exact same personal Microsoft account.
4. Observe what happens:
   • If you remain on copilot.microsoft.com, open Original Chat there.
   • If you are redirected to copilot.com, the account has moved or is completing migration.
5. If the conversation loads, copy its contents to a document immediately.

Microsoft specifically documents this private-browsing test for personal accounts that might not yet have moved to the updated experience.^3^

Since the same conversation already fails in both Chrome and Edge while other chats work, repeating cache clearing, browser switching, or ordinary sign-in tests is unlikely to add useful evidence.

3. Escalate with investigation-ready details

You have already submitted feedback. If the earlier report lacked diagnostic details, submit a Report a problem entry rather than general feedback:

Copilot → … (upper-right) → Send feedback → Report a problem

Include Microsoft’s requested details—when the problem started, device/OS, and a screenshot—plus:

• Conversation title: Original Chat
• Approximate creation date and last successful access
• The full address from the blank tab, with any personal identifiers removed from the screenshot
• Confirmation that only this conversation fails
• Confirmation that Chrome and Edge show the same result
• Whether the legacy-site test redirected to copilot.com
• The date/time/time zone of the latest failed attempt
• A request to check whether the conversation object still exists and whether its contents can be restored

Microsoft Q&A is public and its contributors cannot inspect account data, service logs, or restore Copilot content.^4^

If this is a work or school account

Ask your Microsoft 365 administrator to:

1. Check Microsoft 365 admin center → Health → Service health for a Copilot advisory.
2. Open Help & Support and create a service request for the affected account and conversation.
3. If organizational retention permits it, investigate the stored Copilot interaction data using Microsoft Purview. Microsoft documents that prompts and responses are stored as Copilot activity history and that administrators can use Content Search or Purview to manage this data.^5^

This is the appropriate private escalation route for organizational accounts. For a personal account, Report a problem is the documented investigation channel; a public Q&A thread cannot provide private account recovery.

There are matching public reports of chat titles remaining visible while their contents fail to load, but no confirmed public incident or guaranteed recovery procedure is documented for an individual blank conversation.^6^

References

1. Manage your Copilot activity history in the privacy dashboard | Microsoft Support
2. Privacy FAQ for Microsoft Copilot | Microsoft Support
3. Troubleshoot your content in the updated Copilot app
4. Copilot Pages - Microsoft Q&A
5. Data, Privacy, and Security for Microsoft Copilot
6. Copilot chat titles visible but conversation contents missing across ...