This step is available if the Use advanced storage settings check box was selected at Step 4 "Select backup storage".
Specify file storage settings:
Select the Restrict the number of versions of backup copies check box, and in the Versions of backup copies to store field specify the number of versions of backup copies of one file to be stored.
Select the Restrict storage period for versions of backup copies check box, and in the Keep old versions of backup copies for field specify the number of days that each file version of a backup copy should be stored.