SoftakenThunderbird to Outlook Converter

Most recommended way to migrate Mozilla Thunderbird mailboxes to Outlook PST

Dual Mailbox Ingestion: Automatically detect configured Mozilla Thunderbird mailbox profiles from default storage paths (%appdata%\Thunderbird\Profiles) with one click, or manually browse and batch-import extracted Thunderbird Mailbox archive format (.mbox) used by Thunderbird and many other clients. files and mail directories. Parses raw mail stores and generates healthy, mountable UNICODE .Outlook Personal Storage Table (.pst) for Microsoft Outlook on Windows. files without requiring Mozilla Thunderbird or Microsoft Outlook installed.

  • Different options to load Thunderbird mailboxes to convert into Outlook
  • Identify Thunderbird mailboxes automatically to transfer into MS Outlook
  • Bulk export Thunderbird mailbox files to MS Outlook
  • Preserve all email formatting, email headers, attachments, and other properties
  • Perform Thunderbird profile to Outlook migration
  • Unlimited Thunderbird files to Outlook conversion without restrictions
  • Perform selective Thunderbird items export to Outlook
  • Thunderbird installation not mandatory to perform the conversion
  • Export Thunderbird emails into single One combined PST, or separate PST files per mailbox/folder as you choose. & multiple PST files
  • Manage Thunderbird mailbox hierarchy as it is in Outlook file
  • Zero data loss occurred during Thunderbird to PST conversion
  • Free Thunderbird data file to Outlook Converter for analysis
  • Complete data preview of Thunderbird prior export into PST file
  • Read Thunderbird data files into Outlook 2024, 2021, 2019, 2016, 2013, Microsoft 365, and earlier supported editions
  • 100% offline & private processing on your Windows, Mac, or Linux machine — no cloud upload of mailbox data
  • Supported with Outlook 2024, 2021, 2019, 2016, Microsoft 365, and earlier editions
PSTUNICODEOutlook
ProfilesMBOXAuto-detectSingle / Multi PSTStandalone

100% Safe & Verified Download Windows, Mac, and Linux installers are digitally signed with a trusted certificate, ensuring authentic publisher identity and zero tampering.

Softaken Thunderbird to Outlook Converter — MBOX to PST
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Quick Facts

Source
Thunderbird · MBOX
Output
UNICODE PST
Demo
10–25 emails / folder
Platform
Windows · Mac · Linux

Software interface

Real Softaken screens for Thunderbird to Outlook Converter—auto-detect profiles or browse MBOX folders, preview mailbox data, choose new or existing UNICODE PST, then set the save path. Click a step or the arrows; click a screenshot to enlarge. User guide: Thunderbird to Outlook user guide.

Buy License Online Free demo: 10–25 emails per folder
Softaken Thunderbird to Outlook Converter home interface

step 1 of 5

How to convert Thunderbird mailboxes to Outlook PST

Auto-detect Thunderbird profiles or browse MBOX folders, preview mailbox items with attachments, choose new or existing UNICODE PST, and save locally—without Thunderbird or Outlook installed.

Softaken Thunderbird to Outlook Converter main window

Step-by-step conversion

  1. Run this Thunderbird to Microsoft Outlook Converter.
  2. Select option and add Thunderbird files
  3. Get preview and choose items to export.
  4. Select PST format, new or existing PST. Then, provide path to save converted file.
  5. Go for Convert button to finish the conversion task.

Features & Benefits of Softaken Thunderbird to Outlook Converter

Core Thunderbird to Outlook PST capabilities—with a short benefit under each feature.

Batch Thunderbird to Outlook Conversion

Mozilla Thunderbird Mailbox to PST Converter enables batch conversion of Thunderbird files to Outlook PST file format. Thousands of files from Thunderbird can be added at once to export into Microsoft Outlook file format. Without any hassles, all Thunderbird emails are exported safely into Outlook file. Read More

Benefit: Queue many Thunderbird files and export in one session.

Two ways to create Outlook PST file

This application allows to export Thunderbird email items into Outlook file in two ways. Users can export Thunderbird data either to single PST or multiple PST files. Users have their choice to create single or multiple PST files as per their suitability. Also, the path for saving Outlook data file is also nominated by users.

Benefit: Choose one combined PST or separate PST files.

Auto-locate Thunderbird mailboxes

Whenever users are not sure about location of Thunderbird files, this becomes the problematic situation for users but you can get rid of it with 'Auto-detect' feature available in this tool. It allows locating mailboxes from Thunderbird profile automatically to export into MS Outlook file format without any issues.

Benefit: Find the default profile in one click when Thunderbird is installed.

Preview Thunderbird emails

One advanced feature of this program is to have a look at complete data of Thunderbird mailbox items before their conversion into Outlook file. This inbuilt preview feature turns to be very useful to get an idea what all items are exporting from Thunderbird profile to Outlook file before their actual migration.

Benefit: Check messages before you commit to an export.

Picked emails/folder conversion

Thunderbird mails to Outlook program can be selectively migrated with this help of this utility. After getting preview in a structured manner, users can mark desired items from Thunderbird mailboxes to export into Outlook file format. So, this is how users can exclude unwanted data items to export into Outlook file.

Benefit: Export only the folders or items you need.

Maintain Data Integrity

While exporting Thunderbird data files to Outlook, this tool never makes any change in folder structure and maintain data integrity. It takes care of all folders and subfolders of Mozilla Thunderbird profile to export into PST file. There is no risk of data loss at all throughout the migration process with this automated tool.

Benefit: Your original folder tree stays intact in the PST.

Upload Thunderbird files into multiple ways

You have multiple options for uploading Thunderbird files to move into Outlook file. This utility gives you three options - File, Folder and Load Thunderbird mailboxes automatically. By making use of any option depending on the needs, users can load Thunderbird data files to export into Outlook PST file format.

Benefit: Load by file, folder, or auto-detect as needed.

Export Thunderbird emails with attachments

With every email, all associated attachments are safely exported from Thunderbird account to Outlook. This program does not change the format and content of attachments. Both normal and embedded attachments with Thunderbird files are automatically exported into Outlook with email messages. Read More

Benefit: Attachments stay with the messages in Outlook.

Import Thunderbird emails to Outlook 2024/2021/2019

This application allows users to easily switch to any version of MS Outlook from Thunderbird. Users can smartly move all Thunderbird emails to Microsoft Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, Microsoft 365, and other supported editions. Moreover, this program has no support issues with any Windows version including the latest Win 11. Read More

Benefit: Open the UNICODE PST in current Outlook builds.

Free demo: Unlimited profile scan and full preview; convert up to 10–25 emails per folder to PST before upgrading to a full license.

Thunderbird to Outlook Converter FAQs

1. How to export emails from Thunderbird to PST file?

Given 5 easy steps are there behind this export:

  1. Run this Thunderbird to Microsoft Outlook Converter.
  2. Select option and add Thunderbird files
  3. Get preview and choose items to export.
  4. Select PST format, new or existing PST. Then, provide path to save converted file.
  5. Go for Convert button to finish the conversion task.
2. Is Thunderbird installation required in the system to perform the conversion?

No. You do not need Thunderbird open or installed to convert mailboxes to PST. Auto-detect of the default profile does need Thunderbird installed; browse mode does not.

3. Can I convert Thunderbird email items to Outlook with selective folder?

Yes. After preview, mark the folders or items you want and export only those to Outlook.

4. Which type of PST file is generated by this software?

You get a UNICODE PST file that opens in current Outlook versions.

5. Can I view Thunderbird attachments in Outlook file after the conversion?

Yes. Attachments stay with the emails, so you can open them in Outlook after conversion.

6. In which search queries, this tool will help

It helps if you need to convert Thunderbird to Outlook PST, import Thunderbird to Outlook, move emails from Thunderbird to PST, or export Mozilla Thunderbird mail to Outlook.

7. How does the software automatically locate the default Mozilla Thunderbird mailbox profile?

It looks for configured profiles under %appdata%\Thunderbird\Profiles and can load them in one click. You can also browse and import MBOX files or mail directories manually.

8. Do I need to have Mozilla Thunderbird or Microsoft Outlook installed on my computer to convert emails?

No. Conversion runs locally on Windows, Mac, or Linux without Thunderbird or Outlook. You only need Outlook later if you want to open the resulting PST file.

9. Which versions of Microsoft Outlook (2024, 2021, 2019, 2016, and Microsoft 365) can open the exported PST?

Exported UNICODE PST files open in Outlook 2024, 2021, 2019, 2016, Microsoft 365, and other supported Outlook editions.

10. Does the converter retain companion email attachments, inline images, and original folder structures?

Yes. Folder hierarchies, attachments, HTML/CSS styling, and headers such as To, From, Cc, Bcc, and Subject are kept in the PST.

11. Can I convert multiple Thunderbird mail accounts or local MBOX folders simultaneously in batch mode?

Yes. Use File, Folder, or auto-load Thunderbird mode to bulk-export multiple accounts or local MBOX folders to PST.

12. Are my confidential Thunderbird emails kept completely safe and private during conversion?

Yes. Conversion runs entirely on your machine. There is no cloud upload of mailbox data.

13. What are the specific capabilities and email conversion limits of the free trial demo version?

The free demo auto-detects unlimited Thunderbird profiles, shows a full email preview with attachments, and converts up to 10 to 25 emails per folder to PST so you can check results before buying a full license.

Software Specifications

Thunderbird / MBOX → UNICODE PST — Auto-detect profiles or browse MBOX folders, preview mailbox data, then export to a new or existing Outlook PST. Thunderbird and Outlook are not required for conversion. See the Thunderbird to Outlook user guide.

Free demo evaluation: Unlimited profile scan and full preview; convert up to 10–25 emails per folder so you can test export before buying. Full license unlocks unlimited conversion from $29 on Windows, Mac, and Linux.

Supported

Windows · Mac · Linux

Source

Thunderbird · MBOX

Demo

10–25 emails / folder

Output

UNICODE PST

Platform specifications

System requirements and installer packages for Softaken Thunderbird to Outlook Converter on each supported OS.

Windows

Desktop installer

Operating System
Windows 11, 10, 8.1, 8, 7 & Other (32-bit & 64-bit) supported
Package
.exe installer (code-signed)
Processor
Intel, AMD, or compatible 64-bit/32-bit processor
RAM
512 MB Minimum
Disk Space
100 MB free for installation
Display
1024×768 or higher

macOS

Apple desktop build

Operating System
macOS 10.15 Catalina and later supported (Big Sur, Monterey, Ventura, Sonoma & newer)
Package
.dmg installer (code-signed)
Processor
Intel or Apple Silicon
RAM
512 MB Minimum
Disk Space
100 MB free for installation
Display
1280×800 or higher

Linux

AppImage & Debian package

Operating System
Ubuntu 18.04+, Debian 9+, CentOS 7+ and other modern distributions supported
Package
AppImage and .deb
Architecture
x86_64 (64-bit)
RAM
512 MB Minimum
Disk Space
100 MB free for installation
Desktop
GNOME, KDE, XFCE and similar environments

Demo vs Licensed Version

Try profile browse, preview, and PST export on real Thunderbird data. The licensed version removes the per-folder email cap for complete Thunderbird to Outlook migrations.

FeaturesDEMO VersionFULL Version
Auto-detect / browse Thunderbird profiles & MBOXAvailableAvailable
Full live preview (emails, attachments)AvailableAvailable
Export to new or existing UNICODE PSTAvailableAvailable
Single PST / multiple PST exportAvailableAvailable
Preserve folder structure & attachmentsAvailableAvailable
Batch multiple accounts / MBOX foldersAvailableAvailable
Thunderbird / Outlook not required for conversionAvailableAvailable
Windows, Mac & LinuxAvailableAvailable
LimitationUp to 10–25 emails / folderUnlimited
LicenseFree demoFull license
Softaken Reviews

What Our Users Say

Notes from people who moved Thunderbird mail to Outlook with Softaken.

Connor JessopCustomer feedback

Australia

Really excellent program which I got from Google.

Really excellent program which I got from Google. It helped me to convert all my Thunderbird data files into PST file. Now, I can read all Thunderbird data items into Outlook 2016 using your MBOX to PST Converter.

Mathias NagelCustomer feedback

Germany

This has become my favourite tool till the day I used it.

This has become my favourite tool till the day I used it. Now, I personally recommend this program to all users who need instant switch from Thunderbird to Outlook with all data items. It is fully trustworthy program.

Denise VadnaisCustomer feedback

France

After trying the demo edition, I could not stop myself from buying this program.

After trying the demo edition, I could not stop myself from buying this program. Truly it has amazing speed and conversion process that you can't get with other tools. Big thanks to Softaken developers.

Show more reviews
Daniel FrøilandCustomer feedback

Norway

I am so fortunate that I got this efficient solution to move Thunderb…

I am so fortunate that I got this efficient solution to move Thunderbird mailboxes into Outlook 2019. This application directly migrates Thunderbird mailboxes from default location to Outlook. Very happy after using this amazing solution.

Review

Ready to move Thunderbird mail to Outlook?

Convert Thunderbird profiles and MBOX archives to UNICODE PST on Windows, Mac, or Linux—standalone, Thunderbird not required.

  • Windows · Mac · Linux
  • Thunderbird not required
  • Demo: 10–25 emails / folder