You can use the Yota Email Backup Tool on your PC to quickly backup Thunderbird emails along with attachments. The software allows you to download emails from Thunderbird to PST, PDF, EML, MBOX, and other file formats. Along with this, you can transfer emails from Thunderbird to Thunderbird, Outlook.com, Yahoo Mail, Gmail, Office 365, Zoho Mail, and any IMAP email providers. The software allows you to backup multiple emails from Thunderbird account at once. Also, you can backup emails from multiple accounts one by one.

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