Thunderbird Backup Tool is one of the best utilities to backup or restores Thunderbird emails data files into different file formats such as PST, PDF, TXT, MBOX, EML, EMLX, HTML, etc. The Thunderbird Backup software directly migrates mailboxes from Thunderbird mail accounts to Gmail, Hotmail, Office 365, Live Exchange, Outlook, etc. email clients. Thunderbird Backup Tool is highly compatible and runs smoothly on all versions of the Mac OS. The software allows restoring mailboxes from single or multiple Thunderbird emails and Thunderbird mailboxes data files into different email clients directly without any data loss. This means it migrates several mailboxes into a single attempt with high accuracy. This backup utility ensures that there is no loss of any data while performing Thunderbird email migration. This software is capable of maintaining data integrity during the entire backup process. It allows you to backup Thunderbird account email on all versions of Mac OS. You can backup or restore multiple Thunderbird email data files at one go means software can take multiple data files for migration too. This helps to reduce the efforts of the user totally. Also, this software has no file size limitations. This Thunderbird backup software offers an amazing Mail Filter option to filter Thunderbird emails as per their date. By using this feature, users can save the required emails to be converted into other file formats. You just need to set the start and end date then the tool will automatically backup the email as per its date. If somehow the connection breaks, then users are allowed to resume the process of uploading from the endpoint where the connection breaks. So there will be nothing like restart or reprocessing. Before purchasing this amazing software, users are advised to download and use the demo version of the Thunderbird Backup Software.