I highly recommend eSoftTools OST to PST Converter Software for efficiently importing Outlook OST files into Thunderbird. This advanced tool features a straightforward, user-friendly interface that simplifies the migration process. It allows for the conversion of multiple files in a single operation and provides a live preview of emails before transfer, ensuring accuracy. The software is available in a free edition, enabling the conversion of up to 25 items per folder at no cost. It supports all mailbox components, including attachments, messages, tasks, events, contacts, and calendars. Fully compatible with Windows systems, this tool is both efficient and easy to use, making it an excellent choice for seamless OST to Thunderbird migrations.
visit more:- https://www.esofttools.com/blog/how-to-import-outlook-ost-to-thunderbird/