{"id":21706,"date":"2026-05-01T10:20:43","date_gmt":"2026-05-01T10:20:43","guid":{"rendered":"https:\/\/www.sysinfotools.com\/blog\/?p=21706"},"modified":"2026-05-02T12:05:12","modified_gmt":"2026-05-02T12:05:12","slug":"migrate-kerio-mail-server-to-exchange","status":"publish","type":"post","link":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/","title":{"rendered":"Securely Migrate Kerio Mail Server to Exchange in 2026"},"content":{"rendered":"<div class=\"p-4 mb-4\" style=\"border: 2px solid #005EFF; border-radius: 30px;\">\n<p style=\"text-align: center;\"><em><span style=\"font-weight: 400;\">\u201cHi, I am Gabriel, a sysadmin managing company mailboxes at Kerio Mail Server. Undoubtedly, it\u2019s been best for email collaborations, but we need access to more modern-day features and thus, are moving to Exchange. So, I want to know how to migrate Kerio Server to Microsoft 365 without losing contacts and calendar. M365 IMAP solution only supports emails, so is there any suitable way to migrate the entire data effectively without downtime?\u201d<\/span><\/em><\/p>\n<\/div>\n<div class=\"block_sum\">\n<p>With changing ecosystems, shifting from Kerio to M365 is economical, and handling data on the Exchange server offers multiple benefits. However, users often find themselves stuck with the complex methods to migrate Kerio to Exchange, resulting in losses. Therefore, this guide helps out to perform a risk-free and hassle-free email migration, either free or with the <a href=\"https:\/\/www.sysinfotools.com\/imap-email-backup.php\" target=\"_blank\" rel=\"noopener\"><strong>SysInfo IMAP Backup Tool<\/strong><\/a>, to efficiently transfer emails in minimal time with precision.<\/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<li class=\"nav-item\"><a id=\"linux-tab\" class=\"nav-link\" role=\"tab\" href=\"#linux\" data-toggle=\"tab\" aria-controls=\"linux\" 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Buy Now<\/a><\/div>\n<div id=\"linux\" class=\"tab-pane fade\" role=\"tabpanel\" aria-labelledby=\"linux-tab\"><a class=\"sum-d-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/Sysinfo-Linux-IMAP-Migration-Tool.sh\"><i class=\"icon-linux\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/linux-imap-migration-tool.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\/migrate-kerio-mail-server-to-exchange\/#Quick_Answer_How_to_Transfer_Kerio_Emails_to_Exchange\" >Quick Answer: How to Transfer Kerio Emails to Exchange?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#Why_Migrate_Kerio_Connect_Mailbox_to_Exchange\" >Why Migrate Kerio Connect Mailbox to Exchange?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#Top_Methods_to_Migrate_Kerio_to_Exchange_Environment\" >Top Methods to Migrate Kerio to Exchange Environment\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#Traditional_Way_to_Migrate_Kerio_Connect_to_Exchange\" >Traditional Way to Migrate Kerio Connect to Exchange<\/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-kerio-mail-server-to-exchange\/#Modern_Way_to_Migrate_Kerio_to_Exchange_Account\" >Modern Way to Migrate Kerio to Exchange Account\u00a0<\/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\/migrate-kerio-mail-server-to-exchange\/#Ending_Remarks\" >Ending Remarks\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Quick_Answer_How_to_Transfer_Kerio_Emails_to_Exchange\"><\/span>Quick Answer: How to Transfer Kerio Emails to Exchange?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Migrate Kerio emails via IMAP connectivity and local storage from an email client manually. Or, use a professional IMAP Migration Tool to independently move Kerio mailboxes to the Exchange server in batches without scope for downtime or data loss.\u00a0<\/p>\n<p>Kerio Connect has been a reliable email messaging platform over time. But the tremendous change demands email communications to be more scalable, hybrid, and compliant. Thus, the drive toward Microsoft Exchange. With the secure migration, you can ensure data preservation, minimal disruption, and business continuity.\u00a0<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Migrate_Kerio_Connect_Mailbox_to_Exchange\"><\/span>Why Migrate Kerio Connect Mailbox to Exchange?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The typical reasons to <a href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-to-office-365\/\" target=\"_blank\" rel=\"noopener\"><strong>migrate Kerio to Office 365<\/strong><\/a> Exchange are mentioned here:\u00a0<\/p>\n<ul>\n<li aria-level=\"1\">Centralized email access and integration with native Microsoft 365 services, such as Teams, OneDrive, SharePoint, etc.\u00a0<\/li>\n<li aria-level=\"1\">Intelligent eDiscovery, compliance, and legal retention policies and rules access.\u00a0<\/li>\n<li aria-level=\"1\">Organizations get a flexible structure during growth with multiple subscription plans.\u00a0<\/li>\n<li aria-level=\"1\">Microsoft\u2019s enterprise-grade protection keeps the data secure and threat-free.\u00a0<\/li>\n<li aria-level=\"1\">Massive cloud storage with reliable plans eliminates the need for an on-premise server environment management.\u00a0<\/li>\n<li aria-level=\"1\">Exchange provides a more enhanced cloud experience with continuous improvements and updates.\u00a0<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Top_Methods_to_Migrate_Kerio_to_Exchange_Environment\"><\/span>Top Methods to Migrate Kerio to Exchange Environment\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Exchange functions on the server-managed db architecture, whereas Kerio has its own storage, and this introduces some challenges during the migration. It includes data formats incompatibility, metadata and attachments loss, and difficulty with large mailbox transfers. So, whether you opt for the manual or the professional method for the migration, you must perform it carefully.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<table border=\"1\">\n<tbody>\n<tr>\n<td>\n<p><strong>Prerequisites for Migration:<\/strong><\/p>\n<ul>\n<li aria-level=\"1\">Audit your Kerio mailbox size and take a backup\u00a0<\/li>\n<li aria-level=\"1\">Verify accessibility and storage in your Exchange account\u00a0<\/li>\n<li aria-level=\"1\">Ensure you have admin permissions and access for both accounts<\/li>\n<li aria-level=\"1\">Verify the network bandwidth and server connectivity\u00a0<\/li>\n<li aria-level=\"1\">Make sure to update your MX records after the migration is done<\/li>\n<li aria-level=\"1\">Enable MAPI in your Exchange server and disable receiving new emails\u00a0<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Traditional_Way_to_Migrate_Kerio_Connect_to_Exchange\"><\/span>Traditional Way to Migrate Kerio Connect to Exchange<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Follow the given manual steps to move your Kerio mailbox emails via IMAP connectivity. You may require Microsoft Outlook for this task. So, ensure you have an active Outlook profile and installed application.\u00a0<\/p>\n<p><strong>Note:<\/strong> Also, do not forget to install the Kerio Outlook Connector beforehand the migration.\u00a0<\/p>\n<h4>Steps to Transfer Kerio Emails to Exchange\u00a0<\/h4>\n<ol>\n<li aria-level=\"1\">Open <strong>Outlook<\/strong> and from the <strong>File<\/strong> tab, click <strong>Add Accounts<\/strong>.\u00a0<\/li>\n<li aria-level=\"1\">Then, enter the <strong>Kerio Connect email address<\/strong> within it. Click <strong>Continue<\/strong>.\u00a0<\/li>\n<li aria-level=\"1\">Choose <strong>IMAP<\/strong> and ensure Port 143 and 993 are available for configuration.\u00a0<\/li>\n<li aria-level=\"1\">Verify the <strong>OAuth authentication<\/strong> and similarly configure the <strong>Exchange account.\u00a0<\/strong><\/li>\n<li aria-level=\"1\">Wait until both accounts are synced together and the email folders are displayed.\u00a0<\/li>\n<li aria-level=\"1\">Afterward, create a <strong>new folder <\/strong>within the <strong>Exchange mailbox folders<\/strong> to save emails.\u00a0<\/li>\n<li aria-level=\"1\">Finally, select the<strong> Kerio emails <\/strong>and <strong>drag and drop<\/strong> them into the <strong>new Exchange folder.\u00a0<\/strong><\/li>\n<\/ol>\n<h5>Loopholes of the Method<\/h5>\n<ul>\n<li aria-level=\"1\">Time-consuming process with complex steps that need expertise.\u00a0<\/li>\n<li aria-level=\"1\">Emails are saved in the Exchange account and need a separate effort for contacts, attachments, and calendar transfer.\u00a0<\/li>\n<li aria-level=\"1\">Any interruptions in the network can lead to incomplete data transfers.\u00a0<\/li>\n<li aria-level=\"1\">Outlook is a must, and it can be difficult to deal with large mailbox volumes.\u00a0<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Modern_Way_to_Migrate_Kerio_to_Exchange_Account\"><\/span>Modern Way to Migrate Kerio to Exchange Account\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>SysInfo IMAP Mail Backup Tool<\/strong> is a pro solution to transfer Kerio mailboxes in batches without any trouble. It uses secure OAuth authentication and allows transferring multiple Kerio mailboxes at once with no loss. The smart software tool ensures that the mailboxes&#8217; data remains preserved and the folder structure is intact as in the original file. Moreover, the backup tool is user-friendly and works across all Windows, Mac, and Linux OS.\u00a0<\/p>\n<p><strong>Note: <\/strong>With this software, users can easily <a href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-connect-to-new-server\/\" target=\"_blank\" rel=\"noopener\"><strong>migrate Kerio Connect to New Server<\/strong><\/a> and many other email accounts.\u00a0<\/p>\n<h4>Steps to Migrate Kerio Connect Mailbox to Exchange<\/h4>\n<ol>\n<li aria-level=\"1\">Launch the <strong>SysInfo IMAP Email Backup Software<\/strong> and choose a <strong>mode<\/strong>.\u00a0<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.sysinfotools.com\/asset\/img\/screenshot\/imap-email-backup\/1.webp\" alt=\"Launch the SysInfo IMAP Email Backup Software and choose a mode\" width=\"820\" height=\"433\" \/><\/li>\n<li aria-level=\"1\">Then, <strong>sign into<\/strong> your <strong>multiple Kerio <\/strong>mailboxes by uploading a CSV via <strong>batch mode. <\/strong>Tap <strong>Next.<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.sysinfotools.com\/asset\/img\/screenshot\/imap-email-backup\/4.webp\" alt=\"Then, sign into your multiple Kerio mailboxes by uploading a CSV via batch mode. Tap Next\" width=\"820\" height=\"438\" \/><br \/><\/strong><\/li>\n<li aria-level=\"1\">Further, pick the <strong>mail folder<\/strong> from the tree structure to transfer Kerio data and tap <strong>Next.<\/strong>\u00a0<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.sysinfotools.com\/asset\/img\/screenshot\/imap-email-backup\/5.webp\" alt=\"Further, pick the mail folder from the tree structure to transfer Kerio data and tap Next\" width=\"820\" height=\"434\" \/><\/li>\n<li aria-level=\"1\">Afterward, pick <strong>IMAP\/Office 365<\/strong>, enter <strong>Exchange account credentials,<\/strong> and log in.<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.sysinfotools.com\/asset\/img\/screenshot\/imap-email-backup\/6b.webp\" alt=\"Afterward, pick IMAP\/Office 365, enter Exchange account credentials, and log in\" width=\"820\" height=\"437\" \/>\u00a0<\/li>\n<li aria-level=\"1\">Finally, pick the filters as desired before saving and tap <strong>Start Process<\/strong> to migrate.\u00a0<br \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/www.sysinfotools.com\/asset\/img\/screenshot\/imap-email-backup\/9a.webp\" alt=\"Finally, pick the filters as desired before saving and tap Start Process to migrate\" width=\"820\" height=\"429\" \/><\/li>\n<\/ol>\n<div style=\"background: linear-gradient(135deg, #FAFDFF, #DDF2FF); border-left: 5px solid #1E4258; border-radius: 12px; padding: 20px 25px; margin: 15px 0; box-shadow: 0 4px 14px rgba(0,0,0,0.08); transition: all 0.3s ease; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #2a2a2a;\">\n<p><strong>Case Study to Migrate Kerio Connect to Exchange<\/strong><\/p>\n<p><strong>Client: <\/strong>A professional tech services firm with 500+ mailboxes on Kerio Connect.\u00a0<\/p>\n<p><strong>End Goal: <\/strong>Migration to an Exchange account to leverage advanced protection while accessing Microsoft 365 services. Also, ensuring that no data loss happens for the crucial contacts and calendar data.\u00a0<\/p>\n<p><strong>Challenge:<\/strong> Manual methods fail at scale and cannot move non-email items. It doesn\u2019t even preserve the critical metadata and faces throttle limits and network issues.\u00a0<\/p>\n<p><strong>Solution: <\/strong>Using the SysInfo IMAP Mail Migrator, the organization performed the Kerio to Exchange migration successfully. It mapped the folders automatically, used modern OAuth for configuration, had no database storage, and handled attachments while providing a preview for integrity check.\u00a0<\/p>\n<p><strong>Result: <\/strong>No downtime migration. 100% accuracy and speedy conversions in minimal time with forensic precision. All the mailboxes were managed effectively, and the organization provided a 4.9 rating.\u00a0<\/p>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Ending_Remarks\"><\/span>Ending Remarks\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you are planning a modern upgrade to your communication ecosystem, then the decision to migrate Kerio to Exchange is a good choice. It will provide you with robust data security, enhanced features, and collaboration and productivity tools.\u00a0<\/p>\n<p>While the manual method helps you to move a few emails, it has the unavoidable cons like time consumption, efforts, and technical skills, Outlook needs, and a lack of bulk support.<\/p>\n<p>Therefore, for scalability, flexibility, and flawless batch conversions for multiple Kerio mailboxes, SysInfo IMAP Backup Tool is the best. Its demo version even enables saving up upto 50 emails per folder at zero cost with ease.\u00a0<\/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-1777628563682\"><strong class=\"schema-faq-question\">Q1. Is it possible to migrate Kerio Connect to Exchange directly?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Yes, you can migrate Kerio to Exchange directly with the Kerio to Exchange Migration Tool that processes offline and is easy to use.\u00a0<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777628604943\"><strong class=\"schema-faq-question\">Q2. How can I transfer Kerio emails to Exchange with attachments?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>If you want to transfer attachments along with Kerio emails to Exchange, use the SysInfo Kerio Migration Tool. It is effective and retains attachments until chosen for explicit removal.\u00a0<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777628620767\"><strong class=\"schema-faq-question\">Q3. What are the prerequisites to migrate Kerio to Exchange?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Ensure you have admin access, IMAP enabled, sufficient space, and proper network stability to migrate Kerio Mail Server to Exchange in 2026.\u00a0<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777628634959\"><strong class=\"schema-faq-question\">Q4. Do I need technical knowledge to perform Kerio to Exchange migration?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>If you are using Outlook for the migration, then technical proficiency is highly required, or else it can lead to data loss or corruption. But the professional IMAP Migrator doesn\u2019t require any technical knowledge for use. It is self-explanatory and independent.\u00a0<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777628650647\"><strong class=\"schema-faq-question\">Q5. How can businesses migrate Kerio mailboxes to Exchange in bulk?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Bulk migration is possible with the Kerio to Exchange migration tool by SysInfo. It does not have any size limitations for the mailbox. Also, allows migrating data from multiple Kerio mailboxes at the same time with the batch mode.\u00a0<br><\/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;21706&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;1&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 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Securely Migrate Kerio Mail Server to Exchange in 2026&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 - (1 vote)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u201cHi, I am Gabriel, a sysadmin managing company mailboxes at Kerio Mail Server. Undoubtedly, it\u2019s been best for email collaborations,<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":21710,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[859],"tags":[],"class_list":["post-21706","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>Securely Migrate Kerio Mail Server to Exchange in 2026<\/title>\n<meta name=\"description\" content=\"Step-by-step guide to securely migrate Kerio Mail Server to Exchange in 2026. 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With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms.","sameAs":["https:\/\/www.sysinfotools.com\/","https:\/\/www.linkedin.com\/in\/simran-bhatia-190169299"],"url":"https:\/\/www.sysinfotools.com\/blog\/author\/admin\/"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628563682","position":1,"url":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628563682","name":"Q1. Is it possible to migrate Kerio Connect to Exchange directly?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>Yes, you can migrate Kerio to Exchange directly with the Kerio to Exchange Migration Tool that processes offline and is easy to use.\u00a0<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628604943","position":2,"url":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628604943","name":"Q2. How can I transfer Kerio emails to Exchange with attachments?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>If you want to transfer attachments along with Kerio emails to Exchange, use the SysInfo Kerio Migration Tool. It is effective and retains attachments until chosen for explicit removal.\u00a0<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628620767","position":3,"url":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628620767","name":"Q3. What are the prerequisites to migrate Kerio to Exchange?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>Ensure you have admin access, IMAP enabled, sufficient space, and proper network stability to migrate Kerio Mail Server to Exchange in 2026.\u00a0<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628634959","position":4,"url":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628634959","name":"Q4. Do I need technical knowledge to perform Kerio to Exchange migration?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>If you are using Outlook for the migration, then technical proficiency is highly required, or else it can lead to data loss or corruption. But the professional IMAP Migrator doesn\u2019t require any technical knowledge for use. It is self-explanatory and independent.\u00a0<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628650647","position":5,"url":"https:\/\/www.sysinfotools.com\/blog\/migrate-kerio-mail-server-to-exchange\/#faq-question-1777628650647","name":"Q5. How can businesses migrate Kerio mailboxes to Exchange in bulk?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>Bulk migration is possible with the Kerio to Exchange migration tool by SysInfo. It does not have any size limitations for the mailbox. 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