Microsoft Outlook can quickly become bogged down with archived emails. If you are changing email addresses and want to get rid of everything associated with your old account, you may be looking to scrub your system clean of all your old data. This requires two separate tasks. Deleting the user profiles from Outlook is the first step, but this still leaves user data on your hard drive in the form of .pst files. To clean out everything, you must delete both the user profiles and the .pst files. Writer Bio
