Use the MailsGen OST Converter, a reliable and efficient software that allows users to convert OST files to multiple file formats such as PST, MBOX, MSG, HTML, NSF, TGZ, Office 365, etc. This converter tool easily converts OST emails, contacts, calendars, notes, tasks, journals, etc. Technical and non-technical users can quickly convert an OST file into several files. This program can easily migrate OST emails with attachments. It also preserves the original folder hierarchy and maintains the integrity of OST data during the conversion process. This tool has a preview option available for all users, so they can easily see all the databases before the conversion. If you want to know more features about the conversion application, let's you try the first free demo version, which enables you to convert a few items from each folder. This utility is intended to work with all Windows operating system versions, including 11, 10, 8.1, 8, and 7.