Copilot Issue Migration of Data

Question

Copilot Issue Migration of Data

Quantum 0

Following the recent Copilot update, one long-running master chat is still visible in my chat history but returns "Unable to load content. Try refreshing." Refreshing causes the application to freeze. Pages associated with this chat no longer appear correctly in the library. Copilot also appears to have lost memory of my preferences. Other chats remain accessible. I need assistance investigating whether the chat and associated Pages can be recovered.

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Answer 1

Emma1-N 13,430 Microsoft External Staff Moderator

Welcome Quantum,

Thank you for providing those details.

To better understand what happened to this specific chat and its associated Pages after the Copilot update, could you please confirm:

Are you signed in with a personal Microsoft account (such as Outlook.com, Hotmail.com, or Live.com), or is this a work/school account?
Are you accessing Copilot from the Copilot app, copilot.microsoft.com, or Windows Copilot?
Does the issue occur only with this one master chat, while all other chats open normally?
Approximately when was the chat last accessible before the update?

In the meantime, please try these quick checks:

Open Copilot in an InPrivate/Incognito browser window and attempt to open the affected chat.
Sign out of Copilot completely, then sign back in and check whether the chat and Pages reappear.
If you are using the Copilot app, check whether the same chat can be opened from the web version at copilot.microsoft.com.
If the page freezes when you refresh, press Ctrl+Shift+R (hard refresh) in the browser and test again.

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Quantum 0 Reputation points

2026-09-22T01:56:47.57+00:00
Thank you for your reply.

Please see my responses below:

Account Type

Personal account (Gmail-linked personal Copilot account).

Platforms Tested

Copilot mobile app.

Copilot Web (copilot.microsoft.com).

Desktop/browser.

Scope of Issue

Most chats open normally.

One specific "master" chat consistently fails to open and times out.

This master chat contains multiple Pages that were created before the recent Copilot update.

Timing

The chat and associated Pages were accessible prior to the recent Copilot update.

The issue began after the update.

Additional findings from troubleshooting:

The issue occurs on both the Copilot mobile app and copilot.microsoft.com.

The issue is not browser-specific.

My conversation history is still present and visible.

The affected master chat remains listed in history but cannot be opened.

Pages associated with that chat are no longer accessible.

Other chats remain accessible.

At one stage the Library showed a message requesting a refresh, however no refresh control was available.

I have already tested opening the affected chat from the web version and the same timeout occurs.

Given that the problem follows the same chat across multiple devices and platforms, this appears to be an issue with the specific conversation and/or the Pages attached to it rather than a local browser or mobile app issue.

Could you please check whether the affected conversation or its associated Pages have encountered a migration, indexing, or corruption issue following the update?

I would also like to know whether there is any way to recover the Pages contained within that master chat, as it functions as a personal knowledge repository and contains multiple important documents.Thank you for your reply.

Please see my responses below:

Account Type

Personal account (Gmail-linked personal Copilot account).

Platforms Tested

Copilot mobile app.

Copilot Web (copilot.microsoft.com).

Desktop/browser.

Scope of Issue

Most chats open normally.

One specific "master" chat consistently fails to open and times out.

This master chat contains multiple Pages that were created before the recent Copilot update.

Timing

The chat and associated Pages were accessible prior to the recent Copilot update.

The issue began after the update.

Additional findings from troubleshooting:

The issue occurs on both the Copilot mobile app and copilot.microsoft.com.

The issue is not browser-specific.

My conversation history is still present and visible.

The affected master chat remains listed in history but cannot be opened.

Pages associated with that chat are no longer accessible.

Other chats remain accessible.

At one stage the Library showed a message requesting a refresh, however no refresh control was available.

I have already tested opening the affected chat from the web version and the same timeout occurs.

Given that the problem follows the same chat across multiple devices and platforms, this appears to be an issue with the specific conversation and/or the Pages attached to it rather than a local browser or mobile app issue.

Could you please check whether the affected conversation or its associated Pages have encountered a migration, indexing, or corruption issue following the update?

I would also like to know whether there is any way to recover the Pages contained within that master chat, as it functions as a personal knowledge repository and contains multiple important documents.
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Emma1-N 13,430 Reputation points Microsoft External Staff Moderator

2026-09-23T09:53:19.4433333+00:00
Hello Quantum,

Please note that this is a user-to-user support forum. Moderators, contributors including external Microsoft employees cannot directly intervene in Microsoft product features or access back-end systems. Our role is limited to providing technical guidance on reported issues, requests, or ideas.

I recommend submitting feedback through Copilot > Help & Feedback and including the details you shared, especially that:

The affected chat remains visible in history but times out when opened

The issue reproduces on both the Copilot app and Copilot web

The associated Pages disappeared after the update

Other chats continue to work normally

Thank you for your understanding.