Gladwev Thunderbird to PST Converter Pro - Easy to use Wizard based step by step process , Fast and Reliable Email Conversion tool if you are moving emails from Thunderbird Mails to Outlook for Windows (.pst file format) Another fine release by Gladwev Software the pioneers in cost effective and reliable Email Migration solutions. System Requirements Supported Operating System Microsoft® Windows 10 / 8 / 7 / Vista / XP Supported Microsoft® Outlook Versions Microsoft® Outlook 2016 / 2013 / 2010 / 2007 & 2003. Prerequisites Microsoft® Outlook 2016 / 2013 / 2010 / 2007 & 2003 should be installed on the system. Microsoft®.NET Framework 4.0 or higher must be installed on your system.