BitResQ » How to Migrate Thunderbird to Outlook Account?

How to Migrate Thunderbird to Outlook Account?

Shubham Dixit   
Published: Jul 4, 2023 • Migration • 8 Minutes Reading

Here you will find the best solution to migrate Thunderbird to Outlook, with the help of which you can migrate your Thunderbird emails to Outlook without spending any money. In this blog, we will tell not one, two, but three such remedies, after using which you will be completely satisfied. And the third solution is our solution which will transfer your email to Outlook within a few minutes without any problem. The topics we are going to cover in this blog are: first why users will migrate from Thunderbird email to Outlook, second, we will talk about the difference between both the mail accounts and finally how to migrate thunderbird emails. But first, the question of our user has come, let’s have a look.

User Query;

I’ve had a Thunderbird account for 5 years. As a result, my account contains crucial data such as messages, discussion meetings, tasks, and contacts. Despite the fact that Thunderbird has a lot of essential features, I’m still considering moving to Microsoft Outlook.
Actually, I’d like to utilise Business Contacts Manager to better my customer conversations. I’m looking for a secure approach to switch from Thunderbird to Microsoft Outlook.

Also Read: How to Migrate MBOX to Office 365?

Comparison of Mozilla Thunderbird vs MS Outlook

Mozilla Thunderbird MS Outlook
Thunderbird is an email client that is available for free. The user must acquire a license key in order to use Outlook.
Windows, Mac OS, and Unix OS are all supported. Windows and Mac OS are both supported.
It saves all of the information in MBOX files. The data is saved as OST and PST files.
IMAP, SMTP, and POP protocols are all supported. IMAP, SMTP, and POP protocols are all supported.
Low-security High security
The Exchange Server is not supported. Exchange Server is supported.
It is not compatible with any mobile platform. Android, iOS, and Windows Mobile are all supported.
There isn’t a way to schedule it. Scheduling by email is possible.

Refer: How to Batch Convert Apple Mail to PDF?

Why do Users Migrate Thunderbird Emails to Outlook?

Microsoft’s Outlook is a well-known email program. It’s noted for its user interface, complex functionality, and excellent security. SharePoint and MS Exchange Server are also supported by Outlook. Many people switch from Thunderbird to Outlook to make use of all of these features.

Way to Thunderbird Emails to Outlook Migration

We have mentioned three solutions to migrate Thunderbird to Outlook, out of which two solutions are manually free of cost. But they have many limitations, but our third solution is an automated third-party solution. With the help of this, you can do your job without any problem and you will be able to migrate emails. Now let’s see how it will happen, first of all, we will tell you how to do it with the help of Gmail configuration, then drag and drop After that, in the last we will talk about the signature solution of this blog.

Also Refer: How Thunderbird Import MBOX Files?

Method 1: Use IMAP Configuration for Migration

This approach is divided into four sections. For this strategy, you’ll need a Gmail account. Make a new account if you don’t already have one. In order to migrate Thunderbird to Outlook, we must first set up Gmail in Thunderbird. Following that, we’ll set up Gmail in Outlook. Follow the steps below to complete the migration.

Phase 1: Enable IMAP from Gmail Account

  • Log in to your Gmail account, pick the settings option from the settings icon, and then click OK
    click on setting icon
  • Toggle to forwarding and POP/IMAP
    forwarding imap
  • Turn on the IMAP option
    enable imap
  • Save your changes by clicking the “Save Changes” button.
    save changes to migrate Thunderbird to Outlook

Phase 2: Allow Gmail’s “Less Secure App” Option

  • Go to the Google My Account
    Google my account
  • Select the Security tab
    security tab
  • Choose a Less secure app access option
    less secure app
  • Enable the option for less secure app access.
    enable less access app for Thunderbird to Outlook migration

Phase 3: Configure Gmail into Thunderbird Application

  • Open Mozilla Thunderbird Application
    open thunderbird
  • Click on the “ALT” button on the keyboard and you will see the more option in Thunderbird after that click on the Tools button
    click tools option
  • Thereafter, click on the Account Settings in the Drop-Down menu
    account settings
  • After that, Tap on the Account Actions option
    account action
  • Choose the Add Mail Account option
    add mail account
  • Fill up your name, Gmail ID, Password, and remember password option before clicking Continue
    enter login details
  • Choose IMAP (remote folders) and then click Done
    select imap to migrate Thunderbird to MS Outlook
  • Select your Gmail account from the left pane
    select gmail account
  • Create a New Folder by right-clicking on your Gmail account
    create new folder
  • Give the folder a name and then click the Create Folder button
    enter folder name
  • To select all emails in your Thunderbird account, use Ctrl+A
    select all emails
  • Copy by right-clicking and selecting Copy
    right click
  • Select your Gmail account and the newly created folder
    copy all emails
  • Examine your Gmail inbox
    examine gmail folder
  • Check the Folder in your Gmail account
    go to gmail account for Thunderbird to MS Outlook migration
  • Verify the folder by clicking on it.
    checking migrated Thunderbird emails

Phase 4: Configure Gmail Account in MS Outlook

  • Open the MS Outlook Application on your windows machine
    open ms outlook
  • After that, click on the File tab option
    file tab
  • Select Account Settings from the Account Settings menu
    account settings
  • Select New from the email tab
    add mail to migrate Thunderbird to Outlook
  • Provide Your Name, Gmail id, and Password, Retype Password, then click the Next button on the new account page
    enter login details
  • You will see a successful screen after validation. Select the Finish option
    gmail configure
  • Click on the Close button in the account setting Popup windows
    close option for Thunderbird to Outlook migration
  • To read your emails, go to the left pane and click on your Gmail address.
    Migrate Thunderbird data into Outlook

Congratulations! You’ve completed the Thunderbird to Outlook migration.

You may rapidly move Thunderbird emails to Outlook using this approach. You’ll need Outlook and Thunderbird installed on your computer to complete this move.

Read Also: How to Export MBOX to Microsoft Outlook?

Method 2: Using Drag & Drop for Migrating Emails in Outlook

Users must complete three steps in order to utilize the manual solution:

Phase 1: Save Thunderbird Emails as EML Files

The ability to store emails as EML files will be available in several Thunderbird email clients. Thunderbird’s process is as follows:

  • Open the Thunderbird email client first. Right-click a folder and choose New Folder from the menu
    create new folder
  • Create a folder and give it a name. Select and drag all of the EML messages you wish to migrate to the newly formed folder
    enter folder name to migrate Thunderbird to Outlook
  • Users may now view all of the emails that are in the folder
    view all emails
  • Finally, pick all of the emails and save them as a single file. It will store emails in EML format to whatever place you choose.
    Thunderbird emails save as Outlook

Note: The user must then right-click on the EML files once they have been created. Choose the option to open with Outlook. Save them into an MSG file after that.
Users may now drag and drop MSG files into Microsoft Outlook to open them.

Phase 2: Migrate Emails into Outlook Account

  • Follow File >> Open & Export >> Import/Export to move the emails to an Outlook account
    open & export
  • Select the Export to a file option then press the Next button. Select the Outlook Data File option (.pst). Click on Next
    export to a file
  • Then, go to the location where the EML files are kept and click next
    my emails
  • To complete the procedure, enter a location for the new PST file, then select the desired option and click Finish.
    browse Thunderbird Emails to Outlook

Note: You may also give the freshly generated outlook emails file a password.
A new PST file is produced in the user’s specified location.

Limitation of Manual Approach

Unfortunately, people will not be satisfied with this manual solution. If people choose to utilize this method, they will face several disadvantages.

  1. Ruptured Images: After conversion, photographs, graphics, and other images contained in the messages may appear in Outlook as broken pictures. In the body of your emails, they aren’t visible.
  2. Time-consuming procedure: Migrate Thunderbird to Outlook account using this method will require a significant amount of time and effort. It also comes with a lot of difficulties.
  3. SMTP headers may be lost: Using this approach, users may lose their original email SMTP headers (the top part of the email, where email addresses, subject and time stamps, and encoding marks are located). This is a major concern for users who respect the integrity of their communications, particularly if they work in the area of computer forensics.
  4. Supporting Software Must Be Installed: This manual procedure necessitates the installation of various supporting software. Users must first download and install the program. It’s also an indirect answer.


Method 3: Automatic Solution of Migrate Thunderbird to Outlook Account

We’re going to utilize BitResQ MBOX Converter Software for this technique. It is a sophisticated program that allows you to migrate Thunderbird to Outlook format in the most efficient manner possible. You may also use this program to convert and export Thunderbird emails to a variety of file formats.


The answer to how to migrate Thunderbird to outlook is explained in this useful essay. Users who are having problems with this method should refer to this blog article for the best solution. This article discusses both technological and non-technical solutions.