CodeTwo PST Ghostbuster is a free tool to remove duplicate PST files in Outlook. You will no longer need to abandon an old corrupt profile to remove the multiplied trees of folders and create a new one, leaving behind all the previous settings. This simple tool developed by CodeTwo software company allows removing duplicated PST files in Outlook with a single click without damaging your existing data and settings. The installation and usage is extremely easy. The configuration is limited to providing the name of the corrupt profile and the name of the tree that is duplicated. The program will do the removing in the background. In case you might think something goes wrong during this operation, the program will back up you registry before any change is made. Do not hesitate and download. You never know when you will need it.