{"id":794,"date":"2025-04-15T11:48:00","date_gmt":"2025-04-15T11:48:00","guid":{"rendered":"https:\/\/www.adviksoft.com\/blog\/?p=794"},"modified":"2026-01-13T03:37:37","modified_gmt":"2026-01-13T03:37:37","slug":"import-email-from-outlook-to-thunderbird","status":"publish","type":"post","link":"https:\/\/www.adviksoft.com\/blog\/import-email-from-outlook-to-thunderbird\/","title":{"rendered":"How to Import Emails from Outlook to Thunderbird?"},"content":{"rendered":"<p><strong>Summary:<\/strong> In this technical write-up, we will explain how to migrate Outlook to Thunderbird. If you are also looking for a solution for the same query, then your search ends here. In this guide, we will walk you through manual and automated methods to import emails from Outlook to Thunderbird 145, 144, 143, 142, 141, 140.0esr and older versions.<\/p>\n<p>But before stepping into the solutions, we should understand why users are required to transfer emails from Outlook to Thunderbird.<\/p>\n<div class=\"red-border\">\n<h2>Why Migrate from Outlook to Thunderbird 145 and Older?<\/h2>\n<p>Thunderbird is an open-source, comprehensive, secure email client developed by the Mozilla open-source community. This is a powerful and simple application that is considered one of the best alternatives to Microsoft Outlook.<\/p>\n<p>Here, some of the benefits of using Thunderbird to Outlook are explained below.<\/p>\n<ul>\n<li>Thunderbird is a freeware application<\/li>\n<li>Users can open multiple tabs for navigation<\/li>\n<li>Support multiple email clients having protocols such as IMAP, POP3, and SMTP<\/li>\n<li>You can use several extensions with intended usability<\/li>\n<li>High-security protection, even with a Freeware license<\/li>\n<li>Support a huge number of plugins<\/li>\n<\/ul>\n<\/div>\n<p>Now, let&#8217;s read out two easy ways to transfer emails from Outlook to Thunderbird.<\/p>\n<h2>How to Import Emails from Outlook to Thunderbird Free?<\/h2>\n<p>You can manually export Outlook emails to Thunderbird, but this method if both email clients are located on the same system.<\/p>\n<ol>\n<li>Click on the Start button from the Windows OS &gt;&gt; Default Programs and then click on Set your default program.<\/li>\n<li>Select Outlook from the list and click to Set this program as the default option.<\/li>\n<li>Now, run Thunderbird on your system and go to your dashboard.<\/li>\n<li>Next, click the Import option in Import from Another program.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-26847\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-from-Another-program-1-1.png\" alt=\"click Import from Another program \" width=\"776\" height=\"532\" srcset=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-from-Another-program-1-1.png 948w, https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-from-Another-program-1-1-768x526.png 768w\" sizes=\"auto, (max-width: 776px) 100vw, 776px\" \/><\/li>\n<li>Here, choose Import from Outlook and click the Continue button.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-26848\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-outlook-to-thunderbird-1-1.png\" alt=\"choose Import from Outlook to migrate into thunderbird\" width=\"779\" height=\"531\" srcset=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-outlook-to-thunderbird-1-1.png 946w, https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Import-outlook-to-thunderbird-1-1-768x524.png 768w\" sizes=\"auto, (max-width: 779px) 100vw, 779px\" \/><\/li>\n<li>This will take time and transfer all Outlook accounts to Thunderbird.<\/li>\n<\/ol>\n<p>Undoubtedly, it is an easy-to-use method but it will be a lengthy procedure if you have multiple email accounts and large data in Outlook.<\/p>\n<p>Also, you can&#8217;t choose selective Outlook email folders to transfer into the Thunderbird client. To get an easy method, try an alternate solution explained below.<\/p>\n<h2>How to Transfer Emails from Outlook to Thunderbird Automatically?<\/h2>\n<p>Download and install the <strong>Advik <a href=\"https:\/\/www.adviksoft.com\/pst\/converter.html\">Outlook PST Converter<\/a><\/strong> on your Windows machine. This specialized utility allows you to import Outlook to Thunderbird in just a few simple clicks. With this utility, you can export all or select Outlook email folders to Thunderbird as per your needs. The tool will also provide various email filters to transfer Outlook emails based on specific date ranges, To, From, Subject, Cc, Bcc, etc. Along with that, it guarantees to preserve the mailbox folder hierarchy during the Outlook to Thunderbird migration process.<\/p>\n<p>Click on the Free download button and check the working procedure.<\/p>\n<p><a href=\"https:\/\/www.adviksoft.com\/dl\/advik-outlook-pst-converter.exe\" rel=\"nofollow\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-181 size-full\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2018\/05\/Download-Button-e1525685682329.png\" alt=\"\" width=\"213\" height=\"55\" \/><\/a>\u00a0 \u00a0 \u00a0 \u00a0\u00a0<a href=\"https:\/\/www.adviksoft.com\/buy\/pst\/converter.html\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-620\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2018\/05\/buy-now-button.png\" alt=\"\" width=\"190\" height=\"75\" \/><\/a><\/p>\n<h3>Steps to Import Outlook to Thunderbird 145, 144, 143<\/h3>\n<ol>\n<li>Run Outlook to Thunderbird Converter Tool on your PC. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6161\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2020\/07\/outlook-to-thunderbird.png\" alt=\"click Convert Configured Outlook mailbox data\" width=\"629\" height=\"527\" srcset=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2020\/07\/outlook-to-thunderbird.png 875w, https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2020\/07\/outlook-to-thunderbird-768x644.png 768w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><\/li>\n<li>Select the desired mailbox folders that you want to transfer.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-797 size-full\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2019\/01\/outlook-to-thunderbird-3.png\" alt=\"Select the desired Outlook mailbox folders\" width=\"636\" height=\"572\" \/><\/li>\n<li>From Multiple saving lists, select <strong>Thunderbird<\/strong>.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-798 size-full\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2019\/01\/outlook-to-thunderbird-4.png\" alt=\"From Multiple saving lists, select Thunderbird\" width=\"636\" height=\"632\" \/><\/li>\n<li>Hit the <strong>Convert button<\/strong> and analyze the process.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-799 size-full\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2019\/01\/outlook-to-thunderbird-5.png\" alt=\"Hit the Convert button to import Outlook to Thunderbird\" width=\"636\" height=\"572\" \/><\/li>\n<\/ol>\n<blockquote><p><strong>Note<\/strong>: The software will automatically detect the default location of the Thunderbird email profile. Thunderbird installation is required for this solution.<\/p><\/blockquote>\n<p>Done, now sit back and relax. The software will automatically start transferring Outlook emails into Mozilla Thunderbird. Once the process is over, you will receive a successful pop-up notification. After that, you can open Mozilla Thunderbird and view emails under the Advik Software folder.<\/p>\n<p>For a more comprehensive understanding, watch the video tutorial.<\/p>\n<h3>Watch How to Migrate Outlook Emails to Thunderbird<\/h3>\n<div class=\"video-container\"><iframe class=\"loading-lazy\" title=\"YouTube video player\" src=\"\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-src=\"https:\/\/www.youtube.com\/embed\/B1gC6_G6ofU\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/div>\n<p><em>This is how you can import emails from Outlook to Thunderbird Client effortlessly.<\/em><\/p>\n<div class=\"blue-border\">\n<h3>Why Choose Outlook to Thunderbird Converter?<\/h3>\n<p>There are many reasons to choose this automated tool for this task. Some of them are as follows;<\/p>\n<ul>\n<li><strong>Direct Conversion:<\/strong> This tool allows you to directly import Outlook emails to Thunderbird. You don\u2019t need to install any third-party plugins or software in your Thunderbird account.<\/li>\n<li><strong>Safe and Secure:<\/strong> This software provides the most accurate Outlook to Thunderbird conversion. The layout of the tool remains intact during the process of conversion.<\/li>\n<li><strong>Works Offline:<\/strong>\u00a0To migrate emails from Outlook <a href=\"https:\/\/www.adviksoft.com\/blog\/open-pst-file-in-thunderbird-with-attachments\/\">PST to Thunderbird<\/a> account, you don\u2019t need any internet connection. The tool works very well without having an internet connection.<\/li>\n<li><strong>Maintain Folder Structure:<\/strong>\u00a0The folder tree and subfolder tree of emails remain exactly as in the Outlook Application during the process of Outlook to Thunderbird Migration.<\/li>\n<li><strong>Unlimited Conversion:<\/strong> The tool can be easily used for unlimited conversion an unlimited number of times. There is no limit to conversion, as long as you purchased the licensed version of the tool.<\/li>\n<li><strong>Supports Multiple Formats:<\/strong>\u00a0You can use this tool to <a href=\"https:\/\/www.adviksoft.com\/pst\/mbox.html\">convert Outlook PST file to MBOX<\/a>, MSG, EML, EMLX, PDF, TXT, CSV etc. file formats.<\/li>\n<li><strong>Includes Attachments: <\/strong>During your migration process tool keeps all your attachment files in their respective emails. You can also access your attachments after the completion of the conversion.<\/li>\n<\/ul>\n<\/div>\n<p>Download Outlook to Thunderbird Migration software and transfer 25 emails from each folder for free. You can try the software for free without paying any amount. We advise users not to make any type of investment without using a trial demo.<\/p>\n<p><a href=\"https:\/\/www.adviksoft.com\/dl\/advik-outlook-pst-converter.exe\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27905\" src=\"https:\/\/www.adviksoft.com\/blog\/wp-content\/uploads\/2022\/07\/Download-Button-e1525685682329-10-1.png\" alt=\"\" width=\"213\" height=\"55\" \/><\/a><\/p>\n<h3>Final Words<\/h3>\n<p>Thanks to the advanced algorithms of this software which help users to import emails from Outlook to Thunderbird Client. Still, if you have any queries related to Outlook to Thunderbird Migration, you can contact our customer support for further assistance. Our dedicated support team is happy to help you.<\/p>\n<h4>Frequently Asked Questions<\/h4>\n<p><strong>Q1. Can I export only Labels (customized folders)?<\/strong><\/p>\n<p><strong>Ans.<\/strong> Yes, the software allows you to choose a folder for migration.<\/p>\n<p><strong>Q2. Will it work in Windows 11?<\/strong><\/p>\n<p><strong>Ans.<\/strong> Yes, Outlook to Thunderbird Converter is workable in all Windows versions, including Win 11.<\/p>\n<p><strong>Q3. Does your software maintain the actual folder hierarchy while transferring from Outlook to Thunderbird?<\/strong><\/p>\n<p><strong>Ans.<\/strong> Yes, this tool promises to keep the originality of your Outlook mailbox folder throughout the process till it is transferred into Thunderbird.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary: In this technical write-up, we will explain how to migrate Outlook to Thunderbird. If you are also looking for a solution for the same query, then your search ends here. In this guide, we will walk you through manual and automated methods to import emails from Outlook to Thunderbird 145, 144, 143, 142, 141, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":801,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[211,189,188],"class_list":["post-794","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-migration","tag-import-pst-to-thunderbird","tag-migrate-outlook-to-thunderbird","tag-outlook-to-thunderbird"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Import Outlook Emails to Thunderbird 145?<\/title>\n<meta name=\"description\" content=\"Check out this guide to learn 2 easy ways to transfer emails from Outlook to Thunderbird. After reading, you can easily import Outlook emails to Thunderbird.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adviksoft.com\/blog\/import-email-from-outlook-to-thunderbird\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Import Outlook Emails to Thunderbird 145?\" \/>\n<meta property=\"og:description\" content=\"Check out this guide to learn 2 easy ways to transfer emails from Outlook to Thunderbird. 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