This tutorial lists the different options available for removing the deleted items in Outlook 2010. We have already seen couple of options like empty deleted items folder and automatically clear deleted items and we will again do a recap of these options and see how you can empty deleted items folder for a single account.
Outlook provides users with option for clearing the deleting items using the empty deleted items folder option available as part of the Mailbox Cleanup section. If you have configured more than one account in your account then this would clear deleted items folder in all the configured account. Step by step instruction are available here.
Auto Clear Deleted Items
The users can configure Outlook to automatically clear the deleted items folder on application exit for all the configured email accounts. Click here to know more on this.
From a Single Account
If you want to quickly clear the deleted items from a single account then you can use this option. All you need to do is to navigate to the Account folder and then right click on the Deleted items folder. This would display the following list of menus.
Select Empty Folder to clear all the emails from the deleted items folder.