To import Outlook emails to Thunderbird, you can use a professional tool like the Advik Outlook PST Converter. This software allows you to transfer Outlook emails to your Thunderbird profile directly without any issues. It's designed to efficiently import Outlook to Thunderbird  and offers solutions for various Outlook and Thunderbird-related queries. Additionally, it can convert Outlook emails to PDF, MSG, EML, NSF, Zimbra, Office 365, and other formats. The software supports batch conversion of Outlook PST files to Thunderbird.

Outlook to Thunderbird conversion plays a pivotal role in facilitating the smooth transition of email data across different platforms and applications. This process involves converting individual or multiple PST files into MBOX format. The MBOX format is commonly associated with Thunderbird, making PST to MBOX conversion particularly useful for users transitioning between email clients or wanting to consolidate their email archives. You can also take the help of PST to MBOX Converter for a hassle-free and instant solution to convert countless PST files to MBOX format. Refer: https://www.sametools.com/convert/pst/ 

Transferring emails from Outlook to Thunderbird using TrustVare PST to MBOX Converter Software is a simple method. The user can easily use it, and a safe conversion is provided by any type of user, technical or non-technical. You can transfer the one and bulk data of PST files into Thunderbird. mbox file format. This software easily converts emails and attachments from Outlook files to the MBOX Mailbox file format. After exporting the PST files to emails, clients of MBOX files such as Thunderbird, Apple Mail, Poco Mail, Eudora, Opera Mail, etc. Outlook to Thunderbird Converter App supports all MS Outlook and Windows OS versions.

Visit here: https://www.trustvare.com/pst/mbox/ 

If you want to migrate Outlook data to Thunderbird account then you need a guideline to move mailbox from PST to Thunderbird account. We highly recommend you download MailsDaddy PST to MBOX Converter tool to import single or multiple PST file to Microsoft Outlook at once. This GUI solution runs on all Windows OS and provides 100% secure migration from PST to Mozilla Thunderbird account with attachments. It is built with GUI interface so that user can easily navigate the interface and export data from Outlook to Thunderbird  mailbox.