{"id":4444,"date":"2017-08-31T08:21:10","date_gmt":"2017-08-31T08:21:10","guid":{"rendered":"https:\/\/sysinfotools.com\/blog\/?p=4444"},"modified":"2026-03-13T10:29:56","modified_gmt":"2026-03-13T10:29:56","slug":"import-mbox-file-in-thunderbird","status":"publish","type":"post","link":"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/","title":{"rendered":"How to Import MBOX to Thunderbird including Attachments?"},"content":{"rendered":"<div class=\"block_sum\">\n<p><strong>Summary:<\/strong> Mozilla Thunderbird is a popular open-source email client among users. It has many useful features and supports MBOX and Maildir files easily. Also, MBOX stores all the messages in a single file. So, many users tend to import MBOX to Thunderbird for backup or quick migration reasons. If you too want to do so, then this blog is your solution. It explains the free solutions and also describes an <a href=\"https:\/\/www.sysinfotools.com\/mbox-exporter.php\"><strong>MBOX Exporter<\/strong><\/a> Tool for seamless migration.<\/p>\n<div class=\"blog-btn\">\n<ul id=\"db-btn-container\" class=\"nav nav-tabs mt-4\" role=\"tablist\">\n<li class=\"nav-item\"><a id=\"windows-tab\" class=\"nav-link active\" role=\"tab\" href=\"#windows\" data-toggle=\"tab\" aria-controls=\"windows\" aria-selected=\"true\"><i class=\"icon-windows\"><\/i> Windows<\/a><\/li>\n<li class=\"nav-item\"><a id=\"mac-tab\" class=\"nav-link\" role=\"tab\" href=\"#mac\" data-toggle=\"tab\" aria-controls=\"mac\" aria-selected=\"false\"><i class=\"icon-apple\"><\/i> Mac<\/a><\/li>\n<\/ul>\n<div id=\"db-btn-containerContent\" class=\"tab-content my-2\">\n<div id=\"windows\" class=\"tab-pane fade active show\" role=\"tabpanel\" aria-labelledby=\"windows-tab\"><a class=\"sum-d-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/SysInfo-MBOX-Exporter-Demo.exe\"><i class=\"icon-windows\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/mbox-exporter.php\" target=\"_blank\" rel=\"noopener\"><i class=\"icon icon-basket\"><\/i> Buy Now<\/a><\/div>\n<div id=\"mac\" class=\"tab-pane fade\" role=\"tabpanel\" aria-labelledby=\"mac-tab\"><a class=\"sum-d-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/Sysinfo-MBOX-Exporter-for-mac.dmg\"><i class=\"icon-apple\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/mac-mbox-exporter.php\" target=\"_blank\" rel=\"noopener\"><i class=\"icon icon-basket\"><\/i> Buy Now<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Why_Import_MBOX_Files_in_Thunderbird\" >Why Import MBOX Files in Thunderbird?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#How_to_Import_MBOX_to_Thunderbird\" >How to Import MBOX to Thunderbird?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Convert_MBOX_File_to_Thunderbird_Manually\" >Convert MBOX File to Thunderbird Manually<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Import_MBOX_to_Thunderbird_Using_ImportExport_Add-On\" >Import MBOX to Thunderbird Using ImportExport Add-On<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Open_MBOX_File_in_Thunderbird_Using_Gmail\" >Open MBOX File in Thunderbird Using Gmail<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Hassle-Free_Way_to_Import_MBOX_to_Thunderbird\" >Hassle-Free Way to Import MBOX to Thunderbird<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Import_MBOX_Files_in_Thunderbird\"><\/span>Why Import MBOX Files in Thunderbird?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Several beneficial reasons make users save MBOX file to Thunderbird. Some of them are:<\/p>\n<ul>\n<li>Thunderbird offers various data filters and plugin support options.<\/li>\n<li>It allows one to view and read MBOX data with meta properties.<\/li>\n<li>Thunderbird is secure and easily accessible on different OS.<\/li>\n<li>Users may want to switch from Mac Apple Mail to Windows Thunderbird.<\/li>\n<li>Moreover, it is needed to open an MBOX file without its parent email application.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Import_MBOX_to_Thunderbird\"><\/span>How to Import MBOX to Thunderbird?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are different ways to move MBOX files into Thunderbird. We have described various manual solutions and a professional tool in the following section. Explore all the methods to choose one that suits you best. The detailed procedure is given below. Follow these steps carefully.<\/p>\n\n<p><strong>Also Read: <a href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-to-zoho-mail\/\" target=\"_blank\" rel=\"noopener\">Import MBOX to Zoho Mail<\/a><\/strong><\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Convert_MBOX_File_to_Thunderbird_Manually\"><\/span>Convert MBOX File to Thunderbird Manually<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Open <strong>Mozilla Thunderbird<\/strong> and click <strong>More &gt; Tools &gt; Import<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step1.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Select <strong>Import from a File<\/strong> and click <strong>Continue<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step2-3.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Afterward, choose the <strong>Import Backed Up Profile<\/strong> option and tap <strong>Continue<\/strong>.<\/li>\n<li>Now, select <strong>Choose a ZIP file<\/strong> and browse and select <strong>MBOX<\/strong> file. Hit <strong>Continue<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step4-3.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Select items to import and click<strong> Start Import<\/strong> to import your MBOX file successfully.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Import_MBOX_to_Thunderbird_Using_ImportExport_Add-On\"><\/span>Import MBOX to Thunderbird Using ImportExport Add-On<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Start <strong>Thunderbird <\/strong>and go to<strong> More &gt; Add-ons and Themes<\/strong>.<\/li>\n<li>Browse <strong>ImportExportTools NG<\/strong> and click <strong>Add to Thunderbird<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step.2.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Further, right-click <strong>Local Folders<\/strong> and select <strong>ImportExportTools NG<\/strong>.<\/li>\n<li>In addition, select <strong>Import MBOX Files<\/strong> and choose a required way to import.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step.4.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Browse the <strong>MBOX<\/strong> file and click <strong>Open<\/strong>. At last, click <strong>OK<\/strong>.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Open_MBOX_File_in_Thunderbird_Using_Gmail\"><\/span>Open MBOX File in Thunderbird Using Gmail<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Launch <strong>Mozilla Thunderbird<\/strong> and click <strong>More &gt; New Account &gt; Email<\/strong>.<\/li>\n<li>Or, click <strong>More -&gt; Account Settings -&gt; Account Actions -&gt; Add Mail Account<\/strong>.<\/li>\n<li>Enter your <strong>Gmail<\/strong> credentials in the <strong>Account Setup window<\/strong> and tap <strong>Continue<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step.3-1.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Choose <strong>IMAP<\/strong> and click <strong>Continue<\/strong> to verify your account. Lastly, click <strong>Done<\/strong>.<\/li>\n<\/ol>\n<p>Now, you can easily access all your Gmail MBOX files in Thunderbird.<\/p>\n<h4 class=\"wp-block-heading\">Loopholes of the Manual Method<\/h4>\n<ul>\n<li>The manual import option is not available in older versions.<\/li>\n<li>The zip file size limitation is 2GB. So, not suitable for large files.<\/li>\n<li>There are chances of misplaced files, missing attachments, broken images, etc.<\/li>\n<li>Also, the folder structure and meta attributes of files are not maintained.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hassle-Free_Way_to_Import_MBOX_to_Thunderbird\"><\/span>Hassle-Free Way to Import MBOX to Thunderbird<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To overcome the limitations of the manual method and import MBOX files without worries, use the <strong>SysInfo MBOX Exporter Tool<\/strong>. This comprehensive utility ensures that even a novice user can open MBOX file in Thunderbird easily within seconds. It maintains the original folder structure and data integrity while keeping the files secure. Also, it is compatible with all OS versions. This software provides a filter to remove duplicates, manage attachments, and sort out files. Furthermore, it has some excellent features such as:<\/p>\n<ul>\n<li>Allows to import single as well as multiple MBOX files altogether.<\/li>\n<li>Converts MBOX files in PDF, PST, CSV, EML, DOC, etc. file formats.<\/li>\n<li><a href=\"https:\/\/www.sysinfotools.com\/blog\/how-to-import-mbox-to-yahoo-mail\/\"><strong>Import MBOX to Yahoo Mail<\/strong><\/a>, Gmail, Thunderbird, and other email clients.<\/li>\n<\/ul>\n<h4 class=\"wp-block-heading\">Steps to Import MBOX to Thunderbird<\/h4>\n<ol>\n<li>Launch the tool and choose <strong>Single\/Multiple File<\/strong> or <strong>Select Folder<\/strong>. Hit <strong>Next<\/strong>.<\/li>\n<li>Click <strong>Select Files<\/strong> or <strong>Select Folder<\/strong> to add <strong>MBOX<\/strong> files. Press <strong>Open -&gt; Next<\/strong>.<\/li>\n<li>Expand the tree hierarchy to <strong>preview<\/strong> and select files to import. Tap <strong>Next<\/strong>.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step3-5.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Choose <strong>File Formats<\/strong> and select <strong>Thunderbird<\/strong> from the drop-down menu.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2024\/10\/step4-4.jpg\" alt=\"MBOX Exporter Tool\" width=\"437\" height=\"300\" \/><\/li>\n<li>Additionally, apply filters and click <strong>Path to Save<\/strong> to specify a destination.<\/li>\n<li>At last, hit the <strong>Convert<\/strong> button to complete importing MBOX files.<\/li>\n<\/ol>\n<p><strong>Explore More: <a href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-to-yandex-mail\/\">Import MBOX to Yandex Mail<\/a><\/strong><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This blog highlights the topmost ways to import MBOX to Thunderbird. It can be done in different manual ways. However, it has some cons and users must have technical knowledge to execute them. Thus, you can opt for a professional tool for instant conversion. It is reliable, user-friendly, and has no risks.<\/p>\n<h4 class=\"faq_heading\">Frequently Asked Questions<\/h4>\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1728563748869\"><strong class=\"schema-faq-question\"><strong>Q. How can I import MBOX to Thunderbird?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans- <\/strong>To convert the MBOX file to Thunderbird, follow these steps:<br\/>1. Run the <strong>MBOX Exporter Tool<\/strong> and click <strong>Next<\/strong>.<br\/>2. Choose <strong>Select File\/Select Folder<\/strong> to add <strong>MBOX<\/strong> files and hit <strong>Next<\/strong>.<br\/>3. <strong>Preview<\/strong> and select files from the tree format to import and click <strong>Next<\/strong>.<br\/>4. Choose <strong>Thunderbird<\/strong> from the file format options and select filters.<br\/>5. At last, tap the <strong>Convert<\/strong> button.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1728563778600\"><strong class=\"schema-faq-question\"><strong>Q. Can I import the multiple MBOX files to Thunderbird in a single mode?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans- <\/strong>Yes, it is possible. The SysInfo MBOX Exporter Tool provides an option as Single File\/Multiple Files. You can choose this to add single as well as multiple files at once. Also, it has the advantage, that there is no file size limitation or other restrictions.<\/p> <\/div> <\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;4444&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;4&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (4 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Import MBOX to Thunderbird including Attachments?&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (4 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Mozilla Thunderbird is a popular open-source email client among users. It has many useful features and supports MBOX and<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.sysinfotools.com\/blog\/import-mbox-file-in-thunderbird\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":15850,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[528],"tags":[1166,1168,1170,1169,1165,1167],"class_list":["post-4444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mail-management","tag-add-mbox-to-thunderbird-profile","tag-apple-mail","tag-import-apple-mail-mbox-file-in-thunderbird-for-mac","tag-import-gmail-mbox-in-thunderbird","tag-import-mbox-file-in-thunderbird","tag-thunderbird"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Import MBOX to Thunderbird including Attachments?<\/title>\n<meta name=\"description\" content=\"Seeking for ways to import MBOX to Thunderbird? 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