How to Export and Retain Microsoft 365 Copilot Prompts with eDiscovery
Question details
Organizations need a reliable method to search, export, and legally retain Copilot interactions (prompts and responses) to maintain compliance, especially during employee offboarding.

- Product
- Microsoft 365 Copilot
- Device & OS
- not provided
- Scenario
- Administrators or compliance officers need to export and preserve Copilot interactions for departing employees or legal investigations.
- Observed behavior
- Copilot user prompts and responses are stored in hidden mailbox folders, requiring specialized compliance tools like eDiscovery to access and retain the data.
Ensure you have the necessary administrator privileges, such as the eDiscovery Manager or eDiscovery Administrator role, assigned in the Microsoft Purview compliance portal before attempting to search or export data.
Search and Export Copilot Data using eDiscovery
Use Microsoft Purview eDiscovery to locate and securely export user prompts and Copilot responses from targeted mailboxes.
Because Copilot interactions are saved within hidden folders inside the user's Exchange Online mailbox, standard email searches will not easily surface them. Using eDiscovery ensures a secure, compliant extraction of these records.
Log in to the Microsoft Purview compliance portal using your compliance administrator credentials.
Navigate to the eDiscovery section (Standard or Premium) from the left sidebar and create a new case for your specific investigation or offboarding requirement.
Create a new search within your case. Choose specific user mailboxes as the search locations, as this is where the Copilot interactions are stored.
Once the search completes and identifies the targeted data, select the option to export the results. Follow the on-screen prompts to download the Copilot interaction logs securely.

Configure Retention Policies for Copilot Interactions
Set up proactive retention policies to ensure Copilot data is automatically preserved according to your organization's legal needs.
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Frequently Asked Questions
Where are Microsoft 365 Copilot prompts and responses actually stored?
Copilot interactions, including the exact user prompts and AI responses, are systematically stored in a hidden folder within the respective user's Exchange Online mailbox.
Can I retain Copilot data after an employee leaves the organization?
Yes. If you apply a Microsoft Purview retention policy to their Copilot interactions before their account is deleted, the data will be preserved in an inactive mailbox for the specified duration of the policy.
What permissions do I need to search and export Copilot prompts?
You need specialized compliance permissions assigned within the Microsoft Purview compliance portal. Typically, this requires being assigned either the eDiscovery Manager or eDiscovery Administrator role.
Will regular email searches find Copilot interactions?
No. Because the interactions are kept in a hidden system folder, standard mailbox searches will not retrieve them. You must use Microsoft Purview eDiscovery to explicitly target and export this data.




