KDETools OST to PST Converter software is a very efficient and simple to use for everyone. Due to this a novice user can easily operate without consuming more time. There is no need for any knowledge and technical skills for converting the data from OST file to PST file. It user-friendly and interesting. This software support Window, XP, Vista, 7, 8, and 8.1, 10 (32bit & 64bit). You can divide your large OST file into several small PST file according to users need.