Export an OST file to Thunderbird without Outlook. many users query how to export an OST file in Mozilla Thunderbird. because they face many problems they can convert our file in Thunderbird without Outlook. I can suggest you best eSoftTools OST to PST Converter software this software easily converts your file in Thunderbird and many other formats like PST, MBOX, EML, HTML, and many more this software is very easy to use, and this software is very reliable and trustworthy.
More info - https://www.esofttools.com/ost-to-pst-converter.html