Clean Out Sent Items Folder/Empty Deleted Items

Periodically checking and deleting unwanted messages in your Sent Items folder will help increase available storage space in your mailbox.

Messages in Deleted Items folder are still counted against your mailbox size. Prompt purging of unwanted message in this folder is highly recommended. To empty (purge) Deleted Items, right-click on Deleted Items and click on Empty “Deleted Items” Folder.