You can delete specific email messages or a complete conversation thread.
You can recover files from Trash within 30 days of deleting them. After 30 days, the items are permanently deleted.
The Trash folder is available for each application in your account. When you open the Trash folder from an application such as Mail, only items for that application are displayed. But when you select Empty Trash from any of your applications, items from all applications are deleted. You can empty your Trash folder any time.
Items deleted from Trash are removed from your account and your account quota is updated.
Note: Messages might be automatically purged if Trash purge policies are configured.
If Recover Deleted Items displays when you right-click the Trash folder, you have the ability to recover email messages you deleted from Trash.