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Benefits of

Thunderbird Email Backup Tool

  • Allows you to Preview your Thunderbird mailbox and items present in it before migration.
  • Safely migrate Thunderbird emails to several email clients and clouds such as Gmail, Yahoo Mail, IMAP, Hotmail, iCloud, Zoho, Office 365, AOL, and Zoho mail.
  • Transfer Thunderbird emails into the most used file formats like PDF, EML, EMLX, MSG, CSV, TIFF, HTML, etc.
  • With the Mail Filter option, you choose a date span to backup your mailbox.
  • Remove Duplicate Emails feature protects your mailbox and saves your space from backing up the identical email.
  • You can split your large resultant PST file into small parts through the Split Resultant PST feature.
  • Mozilla Thunderbird Backup utility allows you to save your email attachments separately.
  • You can Backup Thunderbird Mail with or without attachments to your selected location on the machine.
  • Resultant Thunderbird emails and attachments will intact in the same hierarchy after backup with Maintain Folder Hierarchy feature.
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Exclusive Features and Benefits of Thunderbird Email Backup Software

Here are some Highlighted Features of the Mozilla Thunderbird Backup Software

Backup Thunderbird Mail into 12 + File Formats

Backup Thunderbird Mail into 12 + File Formats

With Mozilla Thunderbird Backup Tool you can save your Thunderbird mailbox and its attachment to several file formats including EML, EMLX, MSG, CSV, HTML, PDF, PST, etc. By using this advanced tool, you will get a new experience of migration. You can save your mailbox without losing the Hierarchy of folders.

Migrates Thunderbird Mailbox into various Email Clients

Migrates Thunderbird Mailbox into various Email Clients

By using Thunderbird Backup Software users can securely migrate the Thunderbird emails and items present in it to several email clients such as Gmail, Yahoo Mail, IMAP, Hotmail, Zoho Mail, AOL, iCloud, and Office 365. This is the best solution for those who seek to migrate their mailbox directly to the Cloud.

Split Resultant PST

Split Resultant PST

When the user chooses PST format to save its MBOX files. Then Thunderbird Migrator allows you to split its resultant PST file, in case, if it is larger sized. Then with the Split Resultant Feature user can split the resultant Thunderbird file into small chunks.

Migrate Thunderbird Emails With or Without Attachments

Migrate Thunderbird Emails With or Without Attachments

Mozilla Thunderbird Backup Program offers an exotic experience to its users for a new way of migrating their MBOX files and their attachments. With this program, users have the option to migrate their mailboxes with or without attachments to different file formats or email clients.

Save Attachments Within Two Dates

Save Attachments Within Two Dates

Sometimes users want to save their Thunderbird mailbox and its items present in it between two specific dates. Now, the user can choose two specific dates (to backup or save their Thunderbird mailbox data into the desired file format or email client) at their convenience by the use of the Mail Filter option.

Convert Attachments to PDF Format

Convert Attachments to PDF Format

Sometimes user wants to save their email attachments separately, but are unable to do so or finds difficulty in doing so. But with the help of Thunderbird Migration Tool, users can save its attachments separately in PDF format.

Assign Name and Destination For Resultant Folder

Assign Name and Destination For Resultant Folder

The Mozilla Thunderbird Backup Software allows its user to assign a name and destination of their choice for their resultant Thunderbird emails. After saving Thunderbird emails into their desired file format.

Backup Thunderbird Local Folder

Backup Thunderbird Local Folder

Thunderbird Email Backup Software allows its users to save their Thunderbird Local folder as a backup into their desired file format. Additionally, it also allows its users to import their Thunderbird mailbox and items present in it to different clouds and email clients.

Technical Specification

Thunderbird Email Backup Software specifications, users can follow before use of this software to work effectively.

About Product

Thunderbird Email Backup Tool

Thunderbird Email Backup Tool is one of the fascinating tools that allows its users to swiftly and securely migrate their Thunderbird mailbox and items into more than 15 file formats and email clients. Its advanced and marvelous features offer a spectacular experience to its users. If you want to avail yourself of the experience of this migration. Then try the free version of Mozilla Thunderbird Backup Software. Its trial version allows you to migrate 50 Thunderbird emails into file folders and email clients.

 Free Download

Intel® Pentium 1 GHZ Processor (x86,x64) or equivalent

Hard Disk

512MB of free hard disk space required


512MB (1GB Recommended)

Operating System

Windows 11 and all its below version

To run this tool smoothly on Windows 11, follow the below-mentioned steps:

  • Go to Windows Defender.
  • Click on Settings.
  • After that, Turn Off Real-Time protection.

Whenever controlled folder access is Enabled, some parts of the software might not get installed correctly. Controlled folder setting sometimes blocks anything that attempts to write to use the user\{user name}\Appdata or various other related folders.

Please disable your antivirus or window defender temporarily and allow access from its setting by adding our software to the exception list. If still blocking, then clear the browser cache and remove all the temporary files from the system.

Yes, It perfectly works on such storage technology as long as the file access is transparent that is usually there.

It is due to the screen resolution of your system or PC. Please, adjust your System/PC Screen resolution to default.

Full and Free Version of Mozilla Thunderbird Backup Utility

Complete Software Solution to Backup Thunderbird Migration Tool -Demo and Licensed Version

Features Free Version Paid Version
Export Thunderbird emails to
PST, EML, PDF, MSG, EMLX, MBOX, HTML, and others.
First, 50 Emails Per Folder All Emails
Migrate Mozilla Thunderbird emails to Cloud like
Office 365, Yahoo Mail, Gmail, IMAP, iCloud, Zoho, and AOL.
First, 50 Emails Per Folder All Emails
Save Thunderbird emails with or without attachments First, 50 Emails Per Folder All items
Skip Duplicate Emails Option
Naming Convention Feature
Date Filter Option
Thunderbird backup local folder
Compatible with the latest Windows OS (including Windows 11)
24*7 Technical support
Download and Purchase  Free Download  Purchase Now


Some Commonly Asked Questions and their Answers

Follow the steps to export the PST files from Thunderbird.

  1. Install the Mozilla Thunderbird Backup Program on your machine.
  2. Choose your Thunderbird account.
  3. In the subsequent wizard, select the files or folders that you want to export.
  4. Select the saving format as PST from the drop-down menu.
  5. Select the tool’s feature as per requirement.
  6. Assign a name and destination for the resultant output.
  7. Finally, click on the Convert button and you’ve successfully exported the Thunderbird mailbox to PST.

Import Thunderbird mailbox to Microsoft 365 with the following easy steps.

  • Download the Thunderbird Email Backup Tool.
  • Select the Thunderbird account, and tap Next.
  • Next, choose the files or folders from the tree structure.
  • Following, choose migrating format as Office 365 from the drop-down menu.
  • Enter O365 credentials such as Microsoft Office ID and password. Tap Sign-in.
  • Manage the utility feature in accordance.
  • Lastly, tap the Convert button and your Thunderbird mailbox will start reflecting in your O365 account.

This process can be executed in two stages.

Stage 1:

  • Start the Mozilla Thunderbird Backup Program.
  • Choose the Thunderbird account to backup.
  • Select the files or folders that you wish to transfer to Hard Drive.
  • Decide any file format in which you want to save your data.
  • Command the utility feature according to needs.
  • Lastly tap the Convert button.

Stage 2:

  • Attach the hard drive to your machine.
  • Pick the folder that you recently converted above into your desired file format.
  • Right-click on that folder.
  • Finally, move that folder to your attached or selected Hard Drive.

Yes, using this software, you can directly import your Thunderbird mailbox and items into Outlook 365.

Yes, Mozilla Thunderbird Backup Program is highly capable of converting your MBOX files to PST.

Thunderbird basically stores its emails in MBOX format. Sometimes, it also uses EML format to save a single file.

Some antivirus software occasionally misinterprets new software as a threat to the PC, preventing their installation. Moreover, if the antivirus is on, it prevents the complete installation of the tool.

Mozilla Thunderbird Backup Tool stores the log files and temp files at the below-mentioned default locations.

Log Files - C:\Users\this pc\Documents

Temp Files - C:\Users\this pc\AppData\Local\Temp\

You can easily change this default location by clicking on the Log and Temp Path buttons.

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