The following folders are subject to the default UF Exchange retention policies:
|Inbox||3 years (1095 days)|
|Sent Items||3 years (1095 days)|
|Deleted Items||30 days|
|Junk E-mail||14 days|
Any messages within these folders (including in child folders) will be removed from the mailbox after the given time period. Folders outside of these folders are not subject to a retention policy.