Migrate Thunderbird Emails to MS Outlook

Nikita Garg
Nikita Garg

Updated On - October 17, 2022

Thunderbird is an open source email client. It saves user mailbox data in MBOX file format. However, Thunderbird has many limitations that make it unsuitable for professional email communications. Owing to many business-friendly features, professionals prefer MS Outlook over Thunderbird.

Why MS Outlook migration?

MS Outlook provides many dynamic and robust emailing features for professionals and business people. So many of them abandon Thunderbird and migrate their old emails to Outlook.

How to migrate Thunderbird emails to Outlook?

Emails can be moved from Thunderbird to MS Outlook using a manual method. The steps of this method are given below: –
Step 1: Launch the Thunderbird email client.
Step 2: Select the mailbox folder you want to export to Outlook.
Step 3: Select either the induvial emails or press ‘Ctrl + A’ to select all the emails.
Step 4: Right-click on the emails and click on the ‘Save As’ option.

click on the Save As option

Step 5: Save the files in the selected folder using the ‘Select Folder’ option.

Select Folder option

Step 6: Once done with this, open MS Outlook.
Step 7: Click on the ‘New Folder’ option on the toolbar.
Step 8: Outlook will take you to a new window. Give a name for your folder and then click ‘OK.’

click ok

Step 9: Go to the folder where all the Thunderbird email files were saved in the previous step.
Step 10: Drag and drop all the emails to the middle pane of the MS Outlook (inside the new folder created). All the emails will be seen in MS Outlook once the import is done successfully.

import is done successfully

Easier migration from Thunderbird to Outlook

There are certain limitations for this manual method. The process is time-consuming and a complicated. Moreover, for each folder, the process has to be repeated. Hence, the manual way is suitable only when there is a limited number of emails.

To get away with this tedious procedure, we have an exceptional tool called Recoveryfix for MBOX to PST Converter. This tool ensures smooth and quick migration from any MBOX email client to Outlook and Office 365. Also, this tool guarantees 100% accurate migration.

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Migrate Thunderbird Emails to MS Outlook

Follow the steps given below to convert Mozilla Thunderbird MBOX file to MS Outlook PST:

  1. Open RecoveryFix MBOX to PST.
    RecoveryFixs’ MBOX to PST tool support multiple email clients – as shown below:
  2. MBOX to PST tool

  3. Mozilla Thunderbird uses MBOX format. So, select Thunderbird.
  4. select Thunderbird

  5. Click Add File(s) (1) and click Finish (2).
  6. click finish

    Note: RecoveryFix MBOX to PST tool enables you to select single or multiple files (s) in a single go; all selected file(s) & folder(s) will be shown in the section below – as shown above.

  7. Once the tool loads the file(s), mailbox contents will pop on-screen in different sections.
    Select all or some folder(s) (1) and click Save (2).
  8. click Save

    Note: Preview all or select mailbox items – file(s), by clicking on them.

  9. Select Convert all items (1) and click Next (2).
  10. click next

    Note: You can customize the file(s) conversion before proceeding to the next step, select Define conversion rule for doing so.

  11. Click Save in PST (1) and select the saving option. Browse for the file saving location and click Save.
  12. click save

    Note: If you want to export the MBOX file(s) data in existing PST file then, select Save in Existing PST file option.
    For converting MBOX file(s) data to another format file, select MSG or EML or Office 365 option as required.

  13. Wait for the conversion to complete.
  14. conversion to complete

    Note: To make any change in the file conversion, click Cancel and repeat the steps.

  15. MBOX to PST conversion has completed successfully, click OK.
  16. click ok

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