Microsoft OST to PST Converter is a powerful tool to convert OST files to PST, EML, MSG, MBOX, HTML, PDF, and other file formats. This tool also imports OST files into Gmail, Yahoo, Office 365, Thunderbird, etc. OST converter can handle large OST files and can convert them quickly and accurately. It also preserves the folder hierarchy and formatting of the original OST files, ensuring that the converted files are of high quality and can be easily accessed and searched.