These are system-wide Data Storage settings and can be accessed by your Vuture Administrator at "Admin.System.Data Storage":

Setting	Default	Description
Session Data	30	Number of days that the session data will be kept in the system.
Email Raw Log	90	Number of days that the raw email data will be kept in the system. Raw email data consists of the email engine log.
Queue Complete	90	Number of days that the Queue Completed data will be kept in the system.
Queue Errors	90	Number of days that the Queue Errors data will be kept in the system.
Email Queue CleanUp Days	14	The task will clean the exchange email folder which is older than these number of days.
Short Retention Threshold	7	Number of days that temporary files created from the present to the threshold will be kept on the database.
Long Retention Threshold	365	Number of days until the survey is included in the Survey Threshold Expired Report. The default is 365 days.
Medium Retention Threshold	30	Number of days that deleted files will be retained.