WholeClear OST to MBOX Converter is a secure tool for the users to migrate the Outlook OST files to the MBOX format. The GUI of the software is simple to navigate by novice users without worrying about their level of technical expertise. There are no limitations on the size of the OST files imposed by this software. This application provides the quick as well as free of errors conversion of the OST files to the MBOX format. The resultant MBOX file can be saved locally by the users on their systems in a new folder. The entire OST remains in its original state by this software throughout the migration process. This application provides accurate conversion results. The conversion of the OST files to the MBOX format does not result in any data loss concern. The selective migration of the OST files and folders is possible by this software. The installation of any other application is not required for the completion of the migration process. All the Windows operating system versions are supported by this software. The resultant MBOX file can be opened in any of the email clients that support the MBOX files like Thunderbird, Entourage, SpiceBird, SeaMonkey, Eudora, OperaMail, PocoMail, MacMail, etc. This application is compatible with all the MS Outlook versions like Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003, etc. Additionally available is a free trial edition of the program.