add copilot highlight

Author: JnHs

support/azure/azure-storage/files/file-sync/file-sync-troubleshoot.md

@@ -27,6 +27,9 @@ Based on the issue you're experiencing, review the appropriate troubleshooting d
 
 If you're unsure where to start, see [General troubleshooting first steps](#general-troubleshooting-first-steps).
 
+> [!TIP]
+> You can use Microsoft Copilot in Azure to help diagnose and fix your Azure File Sync environment. For more information, see [Manage and troubleshoot storage accounts using Microsoft Copilot in Azure](/azure/copilot/improve-storage-accounts#troubleshoot-and-resolve-azure-file-sync-issues).
+
 ## General troubleshooting first steps
 
 If you're experiencing issues with Azure File Sync, start by completing the following steps: