The user can purchase the full version of this amazing converter at a very reliable and affordable cost starting from $10.14 per mailbox. It is a highly user-friendly tool and provides many advanced and unique options to OST to PST conversion. This OST to PST recovery application allows transferring the single or multiple OST files into many other formats (MSG, EML, HTML, and RTF, etc) apart from the Outlook PST. It is the professional and very easy solution to recover the soft-deleted file and repair the corrupted or damaged Exchange, IMAP, Hotmail, and Outlook OSTs into PST file format. If the Exchange Server is offline or the Outlook is not working then I recommend you A2Z Migrations for OST to PST. Method 1: Export OST data to PST using a Software Here I am also going to explain both manual and the third-party solution, you can use any one of them. To convert the OST file data into PST format you can use the Manual process or any third-party software. The following process is available to migrate the Outlook OST file data into PST format. Methods for Converting Outlook OST to PST So below, I discussed the possible ways to convert Outlook OST to PST manually or using a software. Just because you cannot import the OST file into Outlook. But once you switch the machine and want to access the Office storage Table (OST) data in a different computer, on that time you require the PST file. The Outlook saves all the data in the local machine with two file extension. As we all know that Outlook is one of the most popular desktop email clients, and provide high security & easy interface.