added x-ref to data retention in forensic data retrieval

Author: Shereen-Bhar

articles/defender-for-iot/organizations/how-to-manage-individual-sensors.md

@@ -446,7 +446,7 @@ Use Defender for IoT data mining reports on an OT network sensor to retrieve for
 - Event timeline data
 - Log files
 
-Each type of data has a different retention period and maximum capacity. For more information see [Create data mining queries](how-to-create-data-mining-queries.md).
+Each type of data has a different retention period and maximum capacity. For more information see [Create data mining queries](how-to-create-data-mining-queries.md) and [Data retention across Microsoft Defender for IoT](references-data-retention.md).
 
 ## Clearing sensor data
 

articles/defender-for-iot/organizations/how-to-manage-sensors-from-the-on-premises-management-console.md

@@ -125,7 +125,7 @@ Use Defender for IoT data mining reports on an OT network sensor to retrieve for
 - Event timeline data
 - Log files
 
-Each type of data has a different retention period and maximum capacity. For more information see [Create data mining queries](how-to-create-data-mining-queries.md).
+Each type of data has a different retention period and maximum capacity. For more information see [Create data mining queries](how-to-create-data-mining-queries.md) and [Data retention across Microsoft Defender for IoT](references-data-retention.md).
 
 ## Define sensor backup schedules
 

articles/defender-for-iot/organizations/how-to-manage-sensors-on-the-cloud.md

@@ -87,7 +87,7 @@ Use Azure Monitor workbooks on an OT network sensor to retrieve forensic data fr
 - Event timeline data
 - Log files
 
-Each type of data has a different retention period and maximum capacity. For more information see [Visualize Microsoft Defender for IoT data with Azure Monitor workbooks](workbooks.md).
+Each type of data has a different retention period and maximum capacity. For more information see [Visualize Microsoft Defender for IoT data with Azure Monitor workbooks](workbooks.md) and [Data retention across Microsoft Defender for IoT](references-data-retention.md).
 
 ## Reactivate an OT sensor