By using Yota IMAP Migrator, you can import IMAP emails into Thunderbird with full mailbox preview. The tool maintains folder hierarchy, attachments, and meta properties while migrating. It works with all Thunderbird versions.
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Can I bulk transfer IMAP mailbox to Thunderbird?
Re: Can I bulk transfer IMAP mailbox to Thunderbird?
Download mailsbackup IMAP Backup Tool to backup IMAP mailbox emails to local PC as PST, MBOX, EML, PDF, etc. IMAP Backup and Restore tool enables to backup IMAP Server and IMAP account to IMAP, Gmail, Office 365, etc. using IMAP backup software.You can also save IMAP account emails to various desktop based email clients such as Thunderbird, Outlook, Lotus Notes, Windows Live Mail, Zimbra, etc. You can also download FREE Demo of IMAP Backup Software which permits to create IMAP backup mailbox into multiple file saving options.
Check for more details at: https://www.mailsbackup.com/imap/