The present blog enlightens the means to recover lost contacts from Offline Storage Table i.e. OST file of MS Outlook email program. Although Outlook is a mail client that has provision for storing multiple things such as emails, calendars, journals, tasks and notes; contacts too, form a primary and important category of it. Hence, when it gets lost or inaccessible due to one or other causes it becomes indispensable to search for the misplaced contact details. The main objective of the blog is to devise ways as how to retrieve contacts from OST file and present it to readers in need. But then the question arises as how does the contacts info gets lost. So, the next section highlights the probable causes for loss of contacts from the Outlook .ost data file.