{"id":13653,"date":"2023-06-02T12:15:03","date_gmt":"2023-06-02T12:15:03","guid":{"rendered":"https:\/\/www.sysinfotools.com\/blog\/?p=13653"},"modified":"2026-08-12T10:17:22","modified_gmt":"2026-08-12T10:17:22","slug":"migrate-protonmail-to-office-365","status":"publish","type":"post","link":"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/","title":{"rendered":"Migrate Protonmail to Office 365 &#8211; Secure Migration"},"content":{"rendered":"<div class=\"block_sum\">\n  <p><strong>Summary:<\/strong> Office 365 has come up with many updates and new features so people using other email clients are getting attracted towards it. A similar concern is with the Protonmail users who want to switch from Protomail to Office 365. So, here you can explore the possible ways to migrate Protonmail to Office 365 with emails, contacts, calendars, and other mailbox items. You can either perform the Server to Server migration using <strong><a href=\"https:\/\/www.sysinfotools.com\/imap-email-backup.php\">IMAP Email Backup Software<\/a><\/strong> or export the MBOX file from Protonmail and then import MBOX to Office 365 using <strong>MBOX Converter<\/strong>.<\/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-IMAP-Backup_win.exe\"><i class=\"icon-windows\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/imap-email-backup.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-IMAP-Email-Backup-for-Mac.dmg\"><i class=\"icon-apple\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/mac-imap-backup.php\" target=\"_blank\" rel=\"noopener\"><i class=\"icon icon-basket\"><\/i> Buy Now<\/a><\/div>\n<\/div><\/div><\/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\/migrate-protonmail-to-office-365\/#Reasons_for_Migrating_Emails_from_Protonmail_to_Office_365\" >Reasons for Migrating Emails from Protonmail to Office 365<\/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\/migrate-protonmail-to-office-365\/#Methods_to_Move_Protonmail_to_Office_365\" >Methods to Move Protonmail to Office 365<\/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\/migrate-protonmail-to-office-365\/#Use_IMAP_Backup_Tool\" >Use IMAP Backup Tool<\/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\/migrate-protonmail-to-office-365\/#Try_MBOX_Converter\" >Try MBOX Converter<\/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\/migrate-protonmail-to-office-365\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reasons_for_Migrating_Emails_from_Protonmail_to_Office_365\"><\/span>Reasons for Migrating Emails from Protonmail to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before we move on to the methods for Protonmail to Office 365 migration, you can check the reasons why people are doing so.<\/p>\n<ul>\n<li>Office 365 offers more features than Protonmail and has Intuitive Calendar.<\/li>\n<li>The Archiving facility in Office 365 is also outstanding.<\/li>\n<li>The storage space in Protonmail provided for free is less than the storage space of Office 365.<\/li>\n<li>Office 365 has a user-friendly and self-intuitive interface.<\/li>\n<li>Many users like the Spam Filter option available in Office 365.<\/li>\n<\/ul>\n<p>So, you have seen that there are many reasons for migrating emails from Protonmail to Office 365. Now let\u2019s move on to the method for Protonmail Migration.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Methods_to_Move_Protonmail_to_Office_365\"><\/span>Methods to Move Protonmail to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are two ways to migrate Protonmail to Office 365. You can use the IMAP Backup tool and make the migration from Proton Server to Office 365. Another option for you is to export the MBOX files from Protonmail first and then use the MBOX Converter for moving them to the Office 365 account. We are going to follow both methods and they are 100% useful in Protonmail to Office 365 Migration.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Use_IMAP_Backup_Tool\"><\/span>Use IMAP Backup Tool<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You can use the IMAP Backup Tool and migrate all emails with attachments from Protonmail directly to Office 365. Make sure your Protonmail IMAP is enabled before you use this software for migration. Then you will just need your Office 365 credentials, and all your Protmail emails will be moved to Office 365. Also, it can easily <a href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-business-domain-email-to-office-365\/\"><strong>migrate business domain email to Office 365<\/strong><\/a>.<\/p>\n<h4 class=\"wp-block-heading\">Steps to Migrate Protonmail to Office 365 Through IMAP<\/h4>\n<ol>\n<li>Launch the <strong>IMAP Email Backup Tool <\/strong>and enter the following details:-\n<ul>\n<li><strong>IMAP User ID<\/strong> &#8211; your-email@protonmail.com<\/li>\n<li><strong>IMAP Password<\/strong> &#8211; Your Protonmail.com password<\/li>\n<li><strong>Protonmail Port Number<\/strong> &#8211; 1143<\/li>\n<li><strong>Protonmail Hostname<\/strong> &#8211; imap.protonmail.com<\/li>\n<\/ul>\n<li>Then click on the <strong>Next <\/strong>button and you can see <strong>all the emails<\/strong> present in your Protonmail Account.<\/li>\n<li>Mark the emails that you want to migrate to O365 and Click on <strong>Next<\/strong>.<\/li>\n<li>Now in the Save As option, choose <strong>Office 365<\/strong> and click on <strong>Next<\/strong>.<\/li>\n<li>Click on the <strong>Login <\/strong>Button and provide your <strong>Office 365 Email Address<\/strong>.<\/li>\n<li>Pick the <strong>Office 365 account<\/strong> to which you want to migrate Protonmail emails and authenticate the login.<\/li>\n<li>If you have multiple <strong>Office 365 Users<\/strong> then you can mark the <strong>user IDs<\/strong> to which you want to migrate emails.<\/li>\n<li>In the end, click on the <strong>Convert <\/strong>button and all your Protonmail Emails will be transferred to your Office 365 account.<\/li>\n<\/ol>\n<p>Now when you will open your Office 365 account, you will find all Protonmail emails in it. It is a server-to-server migration in which the emails will be migrated directly from Protonmail to Office 365 server. This software also assists to <a href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-dovecot-to-office-365\/\"><strong>migrate Dovecot to Office 365<\/strong><\/a> account.\n<p>If you want to move emails from Protonmail emails through its MBOX file then you can use the method we are going to discuss here.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Try_MBOX_Converter\"><\/span>Try MBOX Converter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you are transferring Protonmail emails through the MBOX file then you will have to export the MBOX file first from Protonmail and then import that MBOX file to Office 365.<\/p>\n<p>You can follow the steps given below to export MBOX from Protonmail:-<\/p>\n<ol>\n<li>Download the <strong>Import-Export App<\/strong> that is powered by Protonmail.<\/li>\n<li>Then use your <strong>Protonmail Username<\/strong> and <strong>Password <\/strong>to Login to the App.<\/li>\n<li>You can either use the <strong>Export <\/strong>or <strong>Export All <\/strong>option depending upon the email addresses you want to export.<\/li>\n<li>Then mark the Folders like <strong>Inbox, Archive, Sent, Draft,<\/strong> etc. that you want to export to MBOX.<\/li>\n<li>Select the exporting format as <strong>MBOX<\/strong>.<\/li>\n<li>Finally, <strong>define the path<\/strong> and click on the <strong>Export <\/strong>Button.<\/li>\n<\/ol>\n<p>Your MBOX file will be saved at your preferred location and now you must import the MBOX file to your Office 365 account.<\/p>\n<p>You can follow the steps given below to import the MBOX file to Office 365:-<\/p>\n<ol>\n<li>Launch <strong>MBOX Exporter<\/strong> and <strong>Add the MBOX<\/strong> File that you have <strong>Recently exported<\/strong> from Protonmail.<\/li>\n<li>Then <strong>mark all the emails<\/strong> that you want to import to Office 365.<\/li>\n<li>In the <strong>Save As<\/strong> option, choose <strong>Office 365<\/strong> and authenticate the O365 <strong>login<\/strong>.<\/li>\n<li>In the end, click on the <strong>Convert <\/strong>button and all your Protommail emails will be migrated to your Office 365 account.<\/li>\n<\/ol>\n<p><strong>Also Read: <a href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-gmail\/\" target=\"_blank\" rel=\"noopener\">Migrate ProtonMail to Gmail<\/a><\/strong><\/p>\n\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>You can see that there are two 100% proven methods to migrate Protonmail to Office 365. You can either use the IMAP Migration Tool or the MBOX Converter at your convenience. If you want to migrate emails directly from the Protonmail Server then IMAP Backup Tool would be a better option otherwise if you have the Protonmail\u2019s MBOX file then you can use the MBOX Exporter.<\/p>\n<h4 class=\"faq_heading\">Frequently Asked Questions<\/h4>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\">\n<div id=\"faq-question-1685708839617\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\"><strong><strong>Q.\u00a0<\/strong><\/strong>How can I Migrate Emails directly from Protonmail to Office 365?<\/strong>\n<p class=\"schema-faq-answer\"><strong>Ans<\/strong>\u00a0\u2013\u00a0You will have to use the IMAP Backup Tool for migrating Protonmail emails directly and make sure you enable the Protonmail IMAP Setting. Just Launch IMAP Backup Tool&gt;Enter Protonmail\u2019s ID, Password, Hostname, Port No.&gt;Mark Emails&gt;Choose Saving Option as Office 365&gt;Authenticate Office 365 Login and Migrate.<\/p>\n<\/div>\n<div id=\"faq-question-1685708854869\" class=\"schema-faq-section\"><strong class=\"schema-faq-question\"><strong><strong>Q.\u00a0<\/strong><\/strong>When can use the MBOX Exporter for Proton to Office 365 Migration?<\/strong>\n<p class=\"schema-faq-answer\"><strong>Ans<\/strong>\u00a0\u2013\u00a0The MBOX Exporter can be fruitful when you have already exported the MBOX file from Protonmail. Then you can use this software to import that MBOX file to Office 365.<\/p>\n<\/div>\n<\/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;13653&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;69&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 - (69 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Migrate Protonmail to Office 365 - Secure Migration&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; 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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 - (69 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Office 365 has come up with many updates and new features so people using other email clients are getting<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":13667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[859],"tags":[],"class_list":["post-13653","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-migration"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Migrate Protonmail to Office 365 - Secure Migration<\/title>\n<meta name=\"description\" content=\"Explore the various techniques to migrate Protonmail to Office 365 with emails, drafts, archives, junk, sent, and other mailbox items.\" \/>\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.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migrate Protonmail to Office 365 - Secure Migration\" \/>\n<meta property=\"og:description\" content=\"Explore the various techniques to migrate Protonmail to Office 365 with emails, drafts, archives, junk, sent, and other mailbox items.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/\" \/>\n<meta property=\"og:site_name\" content=\"SysinfoTools Tech Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sysinfotools\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-02T12:15:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-12T10:17:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sysinfotools.com\/blog\/wp-content\/uploads\/2023\/06\/migrate-protonmail-to-office-365.png\" \/>\n\t<meta property=\"og:image:width\" content=\"698\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Simran Bhatia\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Simran Bhatia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.sysinfotools.com\/blog\/migrate-protonmail-to-office-365\/\"},\"author\":{\"name\":\"Simran Bhatia\",\"@id\":\"https:\/\/www.sysinfotools.com\/blog\/#\/schema\/person\/0bc86a610ba204e43dcf67ac0c4f422a\"},\"headline\":\"Migrate Protonmail to Office 365 &#8211; 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