SYSessential OST to PST Converter is a reliable solution to export OST files into PST format without losing mailbox data. The software also supports OST files to export into EML, EMLX, MSG, MBOX, NSF, PDF, HTML, and TGZ formats. This software can handle even the corrupted, orphaned, or inaccessible OST files with ease. The application keeps all email properties, like contacts, calendars, notes, images, journals, and tasks, safe during conversion. The conversion can be selective, such that the user can only convert what they need from the OST file. It supports the migration of single as well as multiple OST files at the same time, which helps save time and effort. The graphical support is simple, smooth, easy and fast for all kinds of users. It is a standalone application that does not require Outlook installation to perform conversion. The software supports Windows 11, 10, 8, 7, Vista, and XP systems.