Update manage-security-alerts.md

Removing the option In the Excel file, you now have two links available: View in Microsoft Defender for Identity and View in Microsoft Defender XDR. Each link will bring you to the relevant portal, and provide information about the alert there as is no longer applicable as the export is updated + adding the scenario of export for only aa alerts

Author: anunesms

ATPDocs/manage-security-alerts.md

@@ -87,7 +87,7 @@ On the right pane, you'll see the **Alert details**. Here you can see more detai
     You can also export the alert to an Excel file. To do this, select **Export.**
 
     > [!NOTE]
-    > In the Excel file, you now have two links available: **View in Microsoft Defender for Identity** and **View in Microsoft Defender XDR**. Each link will bring you to the relevant portal, and provide information about the alert there.
+    > Alert export option is limited to Microsoft Defender for Identity Alerts with the "aa" prefix, for more information refer to [XDR Alert Sources](https://learn.microsoft.com/en-us/defender-xdr/investigate-alerts?tabs=settings#alert-sources).
 
 ## Tuning alerts