Through the use of OST recovery tool, users can recover, repair and convert OST files to a different file format such as PST/ EML/ MSG/ Office 365. Users can also preview emails along with attachments and get a depth analysis which allows user have a look at the metadata of the e-mail files. OST Software which will make it easy to retrieve all the lost data files and it will allow the users to save it in formats like PST/ Office 365/ EML files etc. Using repair OST file utility, users can view the metadata which will allow the user to look at all the read/unread email with all its media item in it. It also offers an advanced feature which provides data and time based filtering in it, which allows users to filter their content on the basis of time. Along with this, the software decrypts OST emails by removing SMIME & OpenPGP encryption. The user can recover multiple OST files at once. The provides to display deleted OST items in red color after the recovery process.