How to quickly clean up the mailbox in Outlook 2003
Follow the instructions to quickly clean up the mailbox in Outlook 2003:
On the ‘Tools’ menu, click ‘Mailbox Cleanup’.
Select options to find items that are old or large and then move or delete them:
Click ‘Auto Archive’ to move old items to ‘Archive Folders’.
Or click ‘Empty’ to permanently delete items from your ‘Deleted Items’ folder.
If you want to skip the deleted Items folder and get rid of the mail straight away, instead of pressing delete use shift + delete to delete the message permanently.