Working with backup sets : Email message backup sets (Windows) : Creating an Email message backup set (DS-MLR) : Specifying backup set options
 
Specifying backup set options
1. In the Specify backup set options screen, retain the default settings unless there are specific generation or option requirements for each backup item.
F1 Help: "Set Properties - Options tab"
F1 Help for Email message backup sets for Microsoft Exchange Server using MAPI in Classic DS-User: "Set Properties - Options tab (Windows database backup sets)"
2. Click Next.