"Data to be shared with" suddenly appeared

1. Quick check 
Login to Microsoft 365 Compliance Center 
Navigate to "Solutions > Information Governance > Active Policies" 
Filter policies related to "Microsoft 365 Copilot" 
2. Key commands to check (requires administrator privileges) 
powershell 
# Check Copilot Data Sharing settings 
Get-SPOTenant | select CopilotDataSharingEnabled Temporarily disable sharing (if required) powershell Set-SPOTenant -CopilotDataSharingEnabled $false Follow-up Auditing Auditing select CopilotDataSharingEnabled 
3. Temporarily disable sharing (if required) 
powershell 
Set-SPOTenant -CopilotDataSharingEnabled $false 
Follow-up 
4. Audit actions 
Checks Copilot activity in the last 7 days:
powershell 
Search-UnifiedAuditLog -StartDate (Get-Date).AddDays(-7) -Operations Copilot* 
5. Contact Support 
If unintended sharing is confirmed, contact immediately: 
powershell 
Start- MsolServiceTicket -Title "Copilot Data Sharing Exception" 
6. Preventive Measures 
It is recommended to enable sensitivity labels: 
powershell 
Set-LabelPolicy -Identity "Standard" -AdvancedSettings @{ Microsoft365Copilot="Disabled"} 
(please make sure you have sufficient privileges before executing, it is recommended to validate in a test environment first)