Working with backup sets : About backup sets : Creating backup sets : Enabling Exclude Old Files in Backup Set Options
 
Enabling Exclude Old Files in Backup Set Options
NOTE:  This option is not available if the Windows “System State” or “Services Database” is selected for backup.
In this screen you can exclude old files from being backed up.
1. Browse the Backup Sets tree, right-click the required backup set, and click Properties.
The Backup Set Properties screen appears.
2. Click Options.
3. Click Exclude Old Files.
The Exclude Old Files screen appears.
F1 Help: "Exclude Old Files screen"
4. Select an exclusion for this backup set:
• No exclusion
• Exclude files older than [...] days / weeks / months / years
• Exclude files older than [date]
NOTE:  The age of a file is determined by its “Last Modified” date.
5. Click OK to save the settings.