It is not possible to open an OST file directly in Outlook because the OST file is linked to a specific Outlook profile or Exchange account. If you want to open an OST in a different system or a new Outlook profile, you need to convert it to PST format first. eSoftTools OST to PST Converter Software is the perfect solution to make this task safe and easy. This software deep scans corrupt, orphaned, password-protected or inaccessible OST files and converts them into a fully readable PST file, which you can easily import into Outlook. Its advanced technology recovers emails, contacts, calendars, tasks, notes, journals, all items with their original structure and formatting. The software also supports multiple saving formats such as PST, MBOX, EML, MSG, vCard, HTML, ICS, etc. Beginners can also use it efficiently without any technical knowledge. If you want to open any OST file in Outlook, this converter from eSoftTools is the most reliable and fast method.