To migrate Outlook OST to PST, you cannot directly access or convert an orphaned OST file through Outlook, as it is connected to the original Exchange or Outlook profile. If the server is unavailable or the profile is deleted, the OST file becomes inaccessible. In such situations, eSoftTools OST to PST Converter Software offers a reliable solution. This tool allows you to convert OST files into PST format quickly and safely without data loss. It supports emails, contacts, calendars, tasks, and other mailbox items while preserving the original folder hierarchy and data integrity. The software provides a user-friendly interface and preview option, making the migration process simple for all users. After conversion, you can easily import the PST file into Outlook and access your complete mailbox data without any hassle.