1. On the Tools menu, click Options, and then click the Other tab.
2. Select the Empty the Deleted Items folder upon exiting check box.
3. If you want, turn off notification before automatically emptying the Deleted Items folder.

   How?

   1. Click the Tools menu, click Options, and then click the Other tab.

   2. Click Advanced Options.

   3. Clear the Warn before permanently deleting items check box.

Note  To turn off automatic emptying of the Deleted Items folder, clear the Empty the Deleted Items folder upon exiting check box.

1. On the Go menu, click Folder List (Folder List: Displays the folders available in your mailbox. To view subfolders, click the plus sign (+) next to the folder. If the Folder List is not visible, on the Go menu, click Folder List.).
2. In the Folder List, right-click the Deleted Items folder, and then click Empty Deleted Items Folder on the shortcut menu (shortcut menu: A menu that shows a list of commands relevant to a particular item. To display a shortcut menu, right-click an item or press SHIFT+F10.).