Without giving a second thought, each one of use would accept the fact that emails nowadays is the most indispensible part of any organization. Today, working in any office environment, be it usual communication, or even reporting to managers. All these are done through emails. In fact, these days MS Outlook and MS Exchange server are the most used email clients and Exchange Server that are widely used by many professionals.
The important aspect that one got to know is that while working on an exchange server, every time an email is sent through MS Outlook, a copy of that email is saved on Exchange Server in EDB (Exchange Server database) files. In fact, this EDB file very well stores vital information like to, CC, from, Bcc etc. and contacts, calendar, journal, and notes. But have you ever imagined what would you do if the MS Exchange Server database gets corrupted? Definitely, you may never ever like to think about any such situation because MS Exchange Server database corruption could easily lead to inaccessibility of mailbox, loss of the entire database.