Microsoft Outlook provides various advanced features so it is in huge demand by both invidual and business employee. Many different versions of Outlook have been developed with the advancement in technology. Sometimes it might happen that after reading all the contents of an email, Outlook user uses the combination of Shift+Del keys to remove them from their account. This action deletes that email permanently without being sent to the Deleted Items folder. Now if again you want those messages back, you will find it nowhere. Sometimes corruption in PST files also makes your file inaccessible. But do not worry as long as PST Repair Tool is there.