May 27, 2024

Instantly Resolve Thunderbird to Outlook Email Import Challenge



Overview: We answer several users’ questions in this post who are trying to transfer data from Mozilla Thunderbird into Microsoft Outlook. If you belong to this user base, continue reading to find out how to import emails from Mozilla Thunderbird into Outlook instantly.

In addition to offering email services, email clients are essential to contemporary communication. Contacts, calendars, tasks, and more can all be stored with them. Two well-known desktop email applications with millions of users globally are Microsoft Outlook and Mozilla Thunderbird. Still, there are some important differences between them. Let us analyse the variations included in the following table.

After reviewing the table, it becomes evident how advantageous it is to store your data in MS Outlook instead of Mozilla Thunderbird. While transferring Thunderbird data to Outlook is possible, it requires careful planning. In this article, we’ll explain two methods to easily import Thunderbird emails into Outlook.

Manual Method to Import Thunderbird into Outlook:

  • Launch Thunderbird on your computer.
  • Open the mailbox where your Thunderbird emails are stored and select the files or folders you want to import into MS Outlook.
  • Choose a folder to save the selected files.
  • Launch MS Outlook and create a new folder with an appropriate name.
  • Select the newly created folder in MS Outlook and drag the imported Thunderbird emails into the middle pane of MS Outlook.

Drawbacks of the Manual Method:

  • Not suitable for non-technical users.
  • Carries risks, so it’s advisable to keep a backup of Thunderbird files.
  • Only imports Thunderbird mail items, not the attachments.
  • It took a long time to convert Thunderbird emails to MS Outlook.
  • Not every user can convert Thunderbird emails to Outlook PST with this method.

Professional Solution to Import Thunderbird into Outlook:

While the manual method is cost-free, it has several drawbacks and risks. When it comes to migrating databases, it’s unwise to choose unreliable methods. Instead, we recommend using a trusted solution like GainTools Thunderbird to Outlook Converter Software.

Why choose Thunderbird to Outlook Converter?

  • Independent application; no need to configure Thunderbird or MS Outlook.
  • It supports Thunderbird files with emails, contacts, attachments, and calendars.
  • Compatible with all Windows operating systems.
  • Maintains the original hierarchy of Thunderbird folders in MS Outlook.
  • Offers filters for selective Thunderbird imports to Outlook.
  • Supports all Outlook editions.
  • Maintains email properties accurately.

Steps to Move Thunderbird Files to Outlook:

  • Download, install, and launch Thunderbird to Outlook Converter.
  • Click “Add Files” to load Thunderbird files, or choose “File Mode” or “Folder Mode.”
  • Preview the selected files and click “Next.”
  • Choose Outlook as the output option.
  • Select a destination location for the PST file and apply filter options (optional).
  • Click “Export” to start the Thunderbird to Outlook migration.

Thunderbird to Outlook, Trial Edition:

To learn how to use the program and import the first few emails to Outlook at no cost, download the Thunderbird Converter sample edition. Buy the licenced version of Thunderbird to Outlook Converter if you’re pleased.


The problem of importing Thunderbird emails into Outlook has been covered in this post. To ensure a safe and effective migration procedure, we have outlined a professional solution that does away with the dangers and disadvantages of manual approaches.