Today, with the maturation popularity of the digital marketplace among all users, the way of cross-mail is OneFile. There is a specified signal of platforms or email programs to deal with email messages, matter, meetings, etc. Each mail client has its own file teaching to economize the mail. OST is one much split, which belongs to Microsoft outlook. Yet, the important challenge comes when users deprivation to act OST file to Office 365 suite. The requirement arises in the aforementioned way…