Regain ThunderBird to Outlook PST Converter

Migrate Mozilla Thunderbird emails to MS Outlook with complete accuracy

Regain Thunderbird to Outlook Converter is a professional tool to migrate mailboxes from Mozilla Thunderbird email client to Microsoft Outlook PST format without any data loss. Besides Mozilla Thunderbird, the software converts the MBOX files supported by other email clients like Entourage, Spicebird, AppleMail, Eudora, Pocomail, etc.

Download trial version and migrate 30 items per folder free

  • Migrate Mozilla Thunderbird emails to Outlook PST format with easy steps.
  • Allows saving Thunderbird MBOX files to PST, EML, MSG, EMLX, PDF, HTML, and MHTML file formats.
  • Export Thunderbird MBOX files to Gmail, Yahoo Mail,, GoDaddy, Amazon Workmail, Office 365, and MS Exchange Server.
  • Supports conversion of MBOX files of more than 20 MBOX-based email clients.
  • Displays preview of Thunderbird emails before migration.
  • Maintains email integrity, formatting, hierarchy, and structure while migration.
  • No file size limit for Thunderbird migration.
  • Supports all latest version of Microsoft Outlook.
  • Available as free demo version.

Best way to Export Thunderbird Mailbox to PST file

Regain Thunderbird to Outlook PST Converter is the most trusted and reliable software for migrating Thunderbird MBOX files to Microsoft Outlook PST files. The software offers a self-descriptive graphical user interface such that even a novice user can perform the MBOX to PST conversion without having any technical knowledge.

5 Steps to Convert Thunderbird Files to Outlook PST format:
  1. Step 1: Download, install and launch Regain MBOX to PST Converter software.
  2. Step 2: Browse and select Thunderbird MBOX files for conversion.
  3. Step 3: Software displays preview of all mailbox items.
  4. Step 4: Select the destination location and target format as PST, click Export to initiate the conversion process.
  5. Step 5: Click Save Now to save the files.

Regain Thunderbird Mailbox Converter – Key Features

Flawless Thunderbird to Outlook Conversion

Regain Thunderbird to Outlook Converter software accurately converts Mozilla Thunderbird MBOX files to Microsoft Outlook PST files without any data loss. This is the best professional solution for migrating Mozilla Thunderbird profiles, local folders, and mailboxes to Outlook PST format. Know more

MBOX to Office 365 Migration

Thunderbird to Outlook Converter allows users to migrate Thunderbird MBOX files to Microsoft Office 365. Using this software, all the MBOX data can be easily moved to Office 365.

Export Thunderbird MBOX Files to Cloud Server

Software allows exporting Mozilla Thunderbird MBOX files to Cloud Server such as Gmail, Yahoo Mail,, GoDaddy, Amazon Workmail, Office 365, and MS Exchange Server. Learn more

Multiple MBOX Files Conversion

Thunderbird to Outlook Converter allows selecting multiple Mozilla Thunderbird MBOX files for converting into MS Outlook PST files. Multiple MBOX file conversion in a single go, thus saving time and effort.

Maintains Integrity of Thunderbird Mailboxes

Regain Thunderbird to PST Converter maintains the folder structure, email formatting, email integrity, hierarchy, and structure during migration. The software maintains the email attributes such as To, From, CC, BCC, Sent/Receive Date and Time, etc. Know more

Save MBOX File in Multiple Format

Software allows saving MBOX files in EML, PST, MSG, EMLX, PDF, HTML, and MHTML file formats after conversion.

Advanced Search Feature

Regain Thunderbird to PST Converter software facilitates an advanced search feature to search the MBOX files from the system. The software searches the MBOX file from the system and displays the scanned files before conversion.

Displays Preview of MBOX Emails

Software displays preview of all scanned emails before conversion to Outlook PST format.

Selective Migration

Thunderbird to Outlook Converter allows users to perform the selective migration such that users can select/deselect the folders of MBOX mailbox to be migrated to Outlook PST file.

Split Outlook PST File

After converting MBOX files to Outlook PST file, allows users to split the resulting PST file into smaller PST files for managing them easily.

Self-Descriptive Graphical User Interface

Regain Thunderbird to Outlook Converter software offers a self-descriptive, Easy-to-understand, intuitive graphical user interface. Even a novice or non-technical user can perform the Thunderbird MBOX to Outlook PST Conversion by following the easy steps. This software requires No technical skills to perform MBOX to PST conversion.

Compatible with latest versions of Outlook and Windows OS

It is fully compatible with all the latest versions of Microsoft Outlook and Windows operating systems. The supported versions of Outlook include 2019, 2016, 2013, 2010, 2007 and supported Windows operating systems are Windows 11, 10, 8, 7, Vista, and XP.

Available as Free Demo Version

It is available as a free-to-download trial version. Users can download the demo version for free and check the features and functionalities of the software offered. The only limitation of the demo version is that it saves only 30 items per folder. To save unlimited email items per folder, purchase the full licensed version.

Regain ThunderBird to Outlook

Technical Specifications

System Requirements

  • Processor - Pentium Class
  • Memory - Minimum 128MB RAM (512MB recommended)
  • Hard Disk - 50 MB for Software installation
  • Disk Space - Enough space to store recovered output

Version Supports:

  • Windows OS Platforms - Windows 11/10/8.1/8/7/Vista
  • Windows Server - 2012/2008 R2/2008/2003 R2/2003
  • MS Outlook - 2019/2016/2013/2010/2007 and 2003

Installation / Uninstallation

Installation / Uninstallation EULA

Get A Free Trial of Thunderbird to PST Converter

Software Features

Trial Version

Full Version

Instantly Export Thunderbird Files to PST File
Support Approx. 20+ Email Clients
Convert Thunderbird Files to PST, MSG, EML, EMLX, PDF, HTML and MHTML Format
Export Thunderbird Files to Gmail, Yahoo Mail,, GoDaddy, Amazon Workmail, Office 365 and MS Exchange Server
Show Preview of emails before conversion
Maintain all email properties and folder hierarchy
Support all latest MS Outlook versions
Free Technical Support
Saving Capabilities Save 30 items/Folder Unlimited

Thunderbird Mailbox Converter Tool - Product Video

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FAQs – Regain Thunderbird to Outlook Converter

Does this tool convert multiple identities from Thunderbird to Outlook?

Yes, It is a smart utility that easily export users multiple identities from Thunderbird mailbox to Outlook PST file format.

Can I export all my emails, contacts & calendars from Thunderbird folder to Outlook?

Yes, It is an efficient utility to export everything like - emails, contacts, calendars from Thunderbird to Outlook PST files without any data loss.

Is it possible to convert Thunderbird SBD folders to Outlook using this tool?

Yes, it's a perfect Regain Thunderbird to Outlook tool that supports moving, transferring, exporting, migrating, and converting Thunderbird SBD folder data to Outlook.

Can I split my resultant Thunderbird database into fixed-size PST files?

Yes, breaking the data file of resultant Thunderbird files is possible. The Regain Thunderbird to Outlook Converter provides a Split option where you can customize the size while exporting Thunderbird email folders without any hassle.

Does the tool show preview of attachments embedded in the Thunderbird emails?

Yes, Software previews attachments in the 'preview section' on the software interface.

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