On a message header, in the Log changes field, you can indicate if data changed are logged. If set to 'Yes', on import, the D365 FO data that is changed during import, is logged. Changes are logged by field. Only the latest change is stored for each field.

The data changes are logged in the History change log (BisConHistoryChangeLog) table. To view the logged data changes for a message, on the Message page, on the Action Pane, on the Operations tab, click Show changes.

You can clean up the logged data changes manually or in recurring mode.

Standard procedure

1.	Go to Connectivity studio > Periodic > Cleanup > Clean up retain local value log.
2.	Sub-task: Set up batch processing.
2.1	Usually, you clean up the logged data changes in batch in recurring mode.
	Expand the Run in the background section.
2.2	Select Yes in the Batch processing field and fill in the fields as desired.
2.3	Click Recurrence and fill in the fields as desired.
2.4	Click OK.
3.	Click OK.