To import an OST file to Thunderbird, the Sysinfo OST to PST Converter provides a simple and reliable solution. This tool lets you convert OST files into MBOX format, which is fully compatible with Thunderbird. It ensures that all your emails, attachments, contacts, and other data are accurately transferred without any loss. The software maintains the original folder structure and includes helpful features like duplicate email removal and date-based filtering.
Read more: https://www.sysinfotools.com/ost-to-pst-converter.php