Running Microsoft Outlook application can be experienced significantly faster than other online e-mail service like Hotmail, Gmail, Yahoo, etc. However, many of us may not be know the reason of the accelerated performance. All data of users in MS Outlook are stored in a outlook data (.pst) file locally, which allows users to access data more easier and quicker. In other words, we can say that a .pst file is the repository of the entire mailbox data like emails, contacts, address books, attachments, tasks, calender entries, and more. Moreover, this personal storage file is portable and can be easily transferred from one computer to another.
