ConverterTools OST to PST Converter tool to import OST mailboxes to Office 365 as well as many distinct email clients like Gmail, Yahoo Mail, Thunderbird, Hotmail, and many more with their all email attachments, for example, email messages, calendars, contacts, notes, tasks, etc. You can easily transfer your OST data to several file formats, for example, PST, PDF, EML, MSG, MBOX, etc., without affecting the crucial data. This tool has the advantage of removing all similar OST mailboxes throughout the entire OST conversion process. Moreover, it permits the management of the folder structure based on the original files. You can install this tool on any Windows OS version without any effort.