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Thunderbird Import Tool: Step By Step Guide

Written by Jiya Johnson  »  Updated on: August 01st, 2025 24 views

Managing and converting emails to Thunderbird can be very confusing. One of the most popular email client Thunderbird has a useful and powerful feature called Import Tool. This tool helps to import email to Thunderbird. Many users are looking to import emails to Thunderbird swiftly. In this article, we will learn how to import emails to Thunderbird using Thunderbird Importer.

What Is a Thunderbird Import Tool?

The Thunderbird import tool is a beginner-friendly and easy-to-use software in Thunderbird that is designed for Thunderbird mail import. The Thunderbird import tool makes it easy for people who want to Thunderbird import emails from other email clients. This tool helps in transferring everything safely to Thunderbird. This can be very helpful when setting up Thunderbird on a new computer or while recovering email data from old backups.

Why Import Emails To Thunderbird?

Here are the following reasons to import emails to Thunderbird:

  • To restore the backup emails.
  • To switch from another email client.
  • To import emails while setting up a new email account.
  • To view archived emails.
  • To use Thunderbird as their local email client.

Step-by-Step Guide To Thunderbird Import Mail Manually

Here are the following steps to Thunderbird Mail Import manually:

  1. Open Thunderbird and click on the menu button in the top right corner.
  2. Go to Tools and click on Import.
  3. Choose the email files you want to import.
  4. Select the source and follow the on-screen instructions.
  5. At last, click on finish.

Drawbacks Of Importing Emails To Thunderbird Manually

  • Time Consuming: Importing emails to Thunderbird manually can consume a lot of time, especially when there are huge or multiple mailboxes.
  • Risk Of Losing Data: There is a lot of risk of importing data manually, as there is a risk that emails may not import properly.
  • Supports Limited Formats Only: Thunderbird does not support all email file types and is limited to some formats only.
  • No Batch Import: Users have to import each mailbox separately, which can consume a lot of time.

How To Import Emails To Thunderbird Using a Professional Tool?

To import Emails to Thunderbird, the most intelligent way is to use a professional tool. Professionals recommend using the BiRecover Thunderbird Import Tool to import emails to Thunderbird. It is considered one of the best tools among all other Thunderbird importer tools. It imports mailbox data to Thunderbird files directly. here are the following steps to import email to Thunderbird using a professional tool:

  1. Install and run the Thunderbird import software on your device.
  2. Click on the Next option and select the Files or Folders you want to import.
  3. Select the destination path and click on the Convert option.
  4. Wait for the import process to complete.
  5. At last, your conversion is completed successfully. Open Mozilla Thunderbird and check for your converted folder.

Powerful Features Of This Thunderbird Import Tool

  • Automatically Imports Mailbox Data To Thunderbird Profile

 This Thunderbird Import tool directly imports old emails to Thunderbird. People can select mailbox files from a Windows PC, and then this tool will add those files into Mozilla Thunderbird in an expert manner without losing any necessary data.

  • Provides Dual Option

This tool contains dual options for downloading mailboxes from Windows computers. Click on the Select Files option if you want to add a single mailbox file, and click on the Select Folders option if you want to add the whole folder in Thunderbird.

  • Compatible With All Mailbox File Extensions And Variations

This Thunderbird Import Tool supports all mailbox file variants like MBOXRD, etc. It also handles different file types like .mbox, .mbs, etc. It also supports Thunderbird SBD folders and MSF files.

  • Supports Mailbox Files Of Different Email Clients

This Thunderbird importer supports those mailbox files that have been made and exported by Apple Mail, Mac Mail, Eudora Mail, etc. This allows the users to import mailbox files of multiple email clients to Thunderbird without changing the original data.

  • Supports the Latest Thunderbird Editions

This Thunderbird mail import tool is compatible with all the latest Thunderbird editions.

  • Automatically Generates Separate Folders

This software automatically creates separate folders for users so that they can easily find imported data. It also generates specific subfolders for each mailbox file in Thunderbird.

  • Preserves All Mailbox Items

This tool keeps everything safe and secure while moving emails to Thunderbird. It saves all parts of emails like date and time, attachment, size of email, subject line, etc.

  • Easy and Simple To Use

It is a simple and easy-to-use tool and can be used by anyone, whether the person belongs to a technical background or not. It can be used by individuals or by enterprises.

Conclusion

In this article, we learnt about the Thunderbird import tool, why to import emails to Thunderbird, manual ways, and professional tools. Importing emails to Thunderbird helps users to organize, manage, backup, and recover emails in a user-friendly environment.

FAQs

  1. How to Download the Import Export Tool In Thunderbird?

Open Thunderbird first, then move to Tools, then Add-ons and themes. In the search box, search for import/export NG. Then click on the Add button and restart Thunderbird to activate the add-ons and to see the changes.

2. Can Thunderbird download all attachments?

Yes, Thunderbird attachment extractor add-on can load all types of attachment formats, such as HTML, OST, etc.

3. Why does Thunderbird not load emails?

There can be various reasons behind Thunderbird not loading emails, such as profile corruption, insufficient storage, etc.



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