WholeClear OST to PST Converter provides a rapid conversion of the OST files to PST formats. The inaccessible and orphaned OST files can be recovered and converted to the PST file formats. The folder hierarchy of the OST file is maintained during the conversion process. It finishes the conversion process without the installation of MS Outlook. Also, it supports all Windows as well as Outlook versions. It maintains the attachments and does not compromise the content or data of the OST file. It provides a glimpse of the OST file before its conversion to the PST format. The application imposes no constraints on the size of the PST file, allowing for conversion of any size. It can be easily handled by non-technical users because of its user-friendly interface. A free trial version is also offered by this tool for the migration of a few OST files to PST format. Users can upgrade to the licensed version for unlimited access and it also provides lifetime validity.