Calling Up Task List Archiving (CS-AG/PM-PRM-TL) 
You reach the initial screen for Archiving.
If you want to create a new variant, enter the name of the variant and choose Maintain.
You reach the variant maintenance for archiving task lists. The variant contains the selection criteria for archiving and deleting task lists.
Maintain the selection criteria and note the deletion criteria. Choose Continue.
The archive files are generated for the start date in the background. After the archiving session, you receive a
log.

If Start automatically is selected for the deletion program in
archiving object Customizing, the deletion program is called up automatically as soon as the first archive file is generated. Note that this indicator is set as standard.
See also:
The Data Archiving Procedure