{"id":22808,"date":"2026-09-15T13:24:01","date_gmt":"2026-09-15T13:24:01","guid":{"rendered":"https:\/\/www.sysinfotools.com\/blog\/?p=22808"},"modified":"2026-09-15T13:24:03","modified_gmt":"2026-09-15T13:24:03","slug":"move-mailbox-from-on-premises-to-office365","status":"publish","type":"post","link":"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/","title":{"rendered":"Move Mailbox from On-Premises to Microsoft 365: Best Practices"},"content":{"rendered":"<div class=\"block_sum\">\n<p>Migration of organizations into Microsoft 365 ensures security, easy cloud-based connectivity, and improved email management. Migration from on-premises to Microsoft 365 enables email migration, contact migration, calendar migration, and migration of other mailbox contents to Exchange Online. This blog explains different methods to move mailbox from On-Premises to Microsoft 365. It includes the manual method for small data migrations or a professional <a href=\"https:\/\/www.sysinfotools.com\/office-365-export-to-pst.php\" target=\"_blank\" rel=\"noopener\"><strong>SysInfo Exchange Server Backup Tool<\/strong><\/a> when you have 20 or 20,000 users.<\/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-office-365-export-to-pst_win.exe\"><i class=\"icon-windows\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/office365-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-office-365-export-to-pst_win.exe\"><i class=\"icon-apple\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/office365-backup.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\/move-mailbox-from-on-premises-to-office365\/#Reasons_to_Migrate_On-Premise_Mailbox_to_Office_365\" >Reasons to Migrate On-Premise Mailbox 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\/move-mailbox-from-on-premises-to-office365\/#Pre-Migration_Planning\" >Pre-Migration Planning<\/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\/move-mailbox-from-on-premises-to-office365\/#Methods_to_Move_Mailbox_from_On-Premises_to_Microsoft_365\" >Methods to Move Mailbox from On-Premises to Microsoft 365<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Manual_Method_to_Move_Mailbox_to_Microsoft_365\" >Manual Method to Move Mailbox to Microsoft 365<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Limitations_Manually_Migrate_Mailbox_from_On-Premises_to_Microsoft_365\" >Limitations: Manually Migrate Mailbox from On-Premises to Microsoft 365<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Professional_Tool_to_Move_Mailbox_from_On-Premises_to_Microsoft_365\" >Professional Tool to Move Mailbox from On-Premises to Microsoft 365<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Quick_Steps_to_Migrate_On-Premises_Mailbox_to_Office_365\" >Quick Steps to Migrate On-Premises Mailbox to Office 365<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Manual_Migration_vs_Professional_Migration_Tool\" >Manual Migration vs. Professional Migration Tool<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Conclusion\" >Conclusion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Reasons_to_Migrate_On-Premise_Mailbox_to_Office_365\"><\/span>Reasons to Migrate On-Premise Mailbox to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">Reduce the need for on-premises Exchange server maintenance.<\/li>\n<li aria-level=\"1\">Move email services to the Microsoft cloud.<\/li>\n<li aria-level=\"1\">Allow users to access mailboxes from different locations.<\/li>\n<li aria-level=\"1\">Reduce server hardware and maintenance requirements.<\/li>\n<li aria-level=\"1\">Use Microsoft 365 services along with Exchange Online.<\/li>\n<li aria-level=\"1\">Support remote and hybrid work environments.<\/li>\n<\/ul>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Pre-Migration_Planning\"><\/span>Pre-Migration Planning<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Do not start the migration immediately. First, check whether your source and destination environments are ready.<\/p>\n<ul>\n<li aria-level=\"1\">Check the Exchange Server Version<\/li>\n<li aria-level=\"1\">Verify Your Domain in Microsoft 365<\/li>\n<li aria-level=\"1\">Create Microsoft 365 User Accounts<\/li>\n<li aria-level=\"1\">Check Your Source Exchange Environment<\/li>\n<\/ul>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Methods_to_Move_Mailbox_from_On-Premises_to_Microsoft_365\"><\/span>Methods to Move Mailbox from On-Premises to Microsoft 365<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no single migration method; it depends on the Exchange version, number of users, migration timeline, and cloud environments.<\/p>\n<table border=\"2\">\n<tbody>\n<tr>\n<td>\n<p><strong>Migration Method<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Best For<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Main Advantage<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Main Consideration<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Cutover Migration<\/strong><\/p>\n<\/td>\n<td>\n<p>Smaller Exchange environments<\/p>\n<\/td>\n<td>\n<p>Move many mailboxes in one transition<\/p>\n<\/td>\n<td>\n<p>Requires careful planning around the final switch<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Hybrid Migration<\/strong><\/p>\n<\/td>\n<td>\n<p>Organizations moving gradually<\/p>\n<\/td>\n<td>\n<p>On-premises and cloud can coexist<\/p>\n<\/td>\n<td>\n<p>More setup and administration<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Staged Migration<\/strong><\/p>\n<\/td>\n<td>\n<p>Older supported Exchange environments<\/p>\n<\/td>\n<td>\n<p>Move users in batches<\/p>\n<\/td>\n<td>\n<p>Has specific Exchange-version requirements<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>SysInfo On-Premises to Microsoft 365 Migration Tool<\/strong><\/p>\n<\/td>\n<td>\n<p>Complex or customized migrations<\/p>\n<\/td>\n<td>\n<p>More control over filtering, mapping, and batches<\/p>\n<\/td>\n<td>\n<p>Advanced Features, such as Remove Duplicates, Date Filter, and more.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Manual_Method_to_Move_Mailbox_to_Microsoft_365\"><\/span>Manual Method to Move Mailbox to Microsoft 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li aria-level=\"1\">Configure <strong>Microsoft Entra ID<\/strong> and select an authentication method, such as <strong>Password Hash Synchronization<\/strong> or<strong> Pass-through Authentication<\/strong>.<\/li>\n<li aria-level=\"1\">Run directory synchronization and verify the user accounts.<\/li>\n<li aria-level=\"1\">Check that the <strong>UPN <\/strong>and <strong>SMTP <\/strong>match correctly.<\/li>\n<li aria-level=\"1\">Also, verify <strong>Exchange connectivity<\/strong> and <strong>security settings<\/strong>.<\/li>\n<li aria-level=\"1\">Prepare the <strong>on-premises Exchange Server <\/strong>and Microsoft 365 tenant.<\/li>\n<li aria-level=\"1\">Configure the <strong>relationship <\/strong>for a hybrid migration.<\/li>\n<li aria-level=\"1\">Open the <strong>Exchange Admin Center <\/strong>and click on the <strong>Migration <\/strong>section.<\/li>\n<li aria-level=\"1\">Create a<strong> migration endpoin<\/strong>t using the required Exchange Server details.<\/li>\n<li aria-level=\"1\"><strong>Test <\/strong>the connection and <strong>start <\/strong>the migration.<\/li>\n<\/ol>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Limitations_Manually_Migrate_Mailbox_from_On-Premises_to_Microsoft_365\"><\/span>Limitations: Manually Migrate Mailbox from On-Premises to Microsoft 365<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li aria-level=\"1\">Difficult to manage large mailbox batches.<\/li>\n<li aria-level=\"1\">Limited control over duplicate mailbox items.<\/li>\n<li aria-level=\"1\">Filtering specific mailbox data can be difficult.<\/li>\n<li aria-level=\"1\">Failed migrations may require manual troubleshooting.<\/li>\n<li aria-level=\"1\">Monitoring multiple migration batches can take time.<\/li>\n<li aria-level=\"1\">Repeated data synchronization can increase migration time.<\/li>\n<li aria-level=\"1\">Detailed migration reporting may be limited.<\/li>\n<\/ul>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Professional_Tool_to_Move_Mailbox_from_On-Premises_to_Microsoft_365\"><\/span>Professional Tool to Move Mailbox from On-Premises to Microsoft 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>SysInfo Exchange Server Backup Software<\/strong> can simplify the process when an organization has a large number of mailboxes or needs more control over the migration. <strong>For example<\/strong>, features such as batch migration, date filtering, duplicate removal, incremental migration, mailbox mapping, and migration reports. Applicable for both technical and non-technical users. In addition, this tool <a href=\"https:\/\/www.sysinfotools.com\/how-to\/export-exchange-2016-mailbox-to-pst.html\" target=\"_blank\" rel=\"noopener\"><strong>exports Exchange Mailboxes to PST<\/strong><\/a>, including Exchange Online, on-premises Exchange Server, and hybrid environments.<\/p>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Quick_Steps_to_Migrate_On-Premises_Mailbox_to_Office_365\"><\/span>Quick Steps to Migrate On-Premises Mailbox to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li aria-level=\"1\">Download the tool, click on <strong>Open Browser<\/strong>, and then Office 365.<\/li>\n<li aria-level=\"1\">Enter your <strong>login credentials<\/strong> with the proper authentication method.<\/li>\n<li aria-level=\"1\">Select the<strong> mailbox type<\/strong> (On-Premises) and folders that you want to backup.<\/li>\n<li aria-level=\"1\">In the destination option, choose <strong>Microsoft 365 <\/strong>and enter its details to S<strong>ign In<\/strong>.<\/li>\n<li aria-level=\"1\">Apply <strong>advanced features <\/strong>and <strong>filters <\/strong>as per your needs. Press <strong>Start Export.<\/strong><\/li>\n<\/ol>\n<p><strong>Note<\/strong>: Please note that you can find complete information on how to perform the migration process by reading the <a href=\"https:\/\/www.sysinfotools.com\/software-guide\/backup-office365-data.html\" target=\"_blank\" rel=\"noopener\"><strong>SysInfo Office 365 Export to Outlook PST Software Guide<\/strong><\/a><strong>.<\/strong><\/p>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Manual_Migration_vs_Professional_Migration_Tool\"><\/span>Manual Migration vs. Professional Migration Tool<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The right option depends on the size and complexity of the migration.<\/p>\n<table border=\"2\">\n<tbody>\n<tr>\n<td>\n<p><strong>Factor<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Manual Migration<\/strong><\/p>\n<\/td>\n<td>\n<p><strong>Professional Tool<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Small number of mailboxes<\/p>\n<\/td>\n<td>\n<p>Suitable<\/p>\n<\/td>\n<td>\n<p>Suitable<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Large mailbox migration<\/p>\n<\/td>\n<td>\n<p>More administration<\/p>\n<\/td>\n<td>\n<p>Easier to manage<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Batch migration<\/p>\n<\/td>\n<td>\n<p>Available depending on method<\/p>\n<\/td>\n<td>\n<p>Supported&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Date filtering<\/p>\n<\/td>\n<td>\n<p>Limited&nbsp;<\/p>\n<\/td>\n<td>\n<p>Supported&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Duplicate removal<\/p>\n<\/td>\n<td>\n<p>Limited<\/p>\n<\/td>\n<td>\n<p>Available&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Incremental migration<\/p>\n<\/td>\n<td>\n<p>Depends on migration method<\/p>\n<\/td>\n<td>\n<p>Available&nbsp;<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In this technical blog post, we explored several methods to move Mailbox from On-Premises to Microsoft 365. The manual method is used for small migrations. However, it has several limitations. Therefore, it&#8217;s best to use a professional tool. It supports batch migration with multiple advanced features. You can also download the demo version of this tool to test its features and functions.<\/p>\n<h3 class=\"faq_heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1789477792070\"><strong class=\"schema-faq-question\">Q1. How do I move a mailbox from on-premises to Microsoft 365?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>You can migrate an on-premises mailbox to Microsoft 365 by using the manual method or a professional SysInfo Exchange Server Backup Tool without any data loss.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477793585\"><strong class=\"schema-faq-question\">Q2. Can an on-premises mailbox be migrated directly to Microsoft 365?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Yes. With the professional tool, choose the On-Premises mailbox files\/folders to directly migrate into Microsoft 365 while maintaining data integrity.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477794272\"><strong class=\"schema-faq-question\">Q3. Is mailbox data secure during an on-premises to Microsoft 365 migration?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Mailbox data can be secured by ensuring that secure authentication and encryption techniques are used when migrating the data. In addition to this, it is important for the administrators to first take a backup of the source mailbox data prior to migration.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477794905\"><strong class=\"schema-faq-question\">Q4. Can duplicate emails be avoided during migration?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>Use the Remove Duplicate feature of the professional tool to delete duplicate emails based on To, From, Subject, Body, or CC.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477796073\"><strong class=\"schema-faq-question\">Q5. Does incremental synchronization reduce migration downtime?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>The Professional tool offers Delta Migration features for incremental synchronization and reduces migration downtime.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477796616\"><strong class=\"schema-faq-question\">Q6. Can administrators migrate hundreds of on-premises mailboxes to Microsoft 365?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>In the preview panel of the Professional tool, select the 100+ mailbox files or folders to migrate. This tool supports batch migration with multiple advanced features.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477797225\"><strong class=\"schema-faq-question\">Q7. When should DNS or mail-flow settings be changed?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>The settings for DNS and mail flow have to be altered once the mailboxes to be migrated and tested have been migrated. It is essential to confirm that the users are able to exchange emails through Microsoft 365 prior to altering the mail flow settings.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1789477797832\"><strong class=\"schema-faq-question\">Q8. Can administrators migrate mailbox emails within a specific date range?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans. <\/strong>The date filter of the reliable tool allows users to migrate emails within a specific date range based on Start or End Date.<\/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;22808&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;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&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;0\\\/5 - (0 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Move Mailbox from On-Premises to Microsoft 365: Best Practices&quot;,&quot;width&quot;:&quot;0&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: 0px;\">\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            <span class=\"kksr-muted\">Rate this post<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Migration of organizations into Microsoft 365 ensures security, easy cloud-based connectivity, and improved email management. Migration from on-premises to Microsoft<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":22810,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1594],"tags":[],"class_list":["post-22808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-backup"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Move Mailbox from On-Premises to Microsoft 365: Best Practices<\/title>\n<meta name=\"description\" content=\"Move Mailbox from On-Premises to Microsoft 365 securely. Migrate emails, contacts, calendars, attachments, and folders with minimal downtime.\" \/>\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\/move-mailbox-from-on-premises-to-office365\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Move Mailbox from On-Premises to Microsoft 365: Best Practices\" \/>\n<meta property=\"og:description\" content=\"Move Mailbox from On-Premises to Microsoft 365 securely. 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How do I move a mailbox from on-premises to Microsoft 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>You can migrate an on-premises mailbox to Microsoft 365 by using the manual method or a professional SysInfo Exchange Server Backup Tool without any data loss.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#faq-question-1789477793585","position":2,"url":"https:\/\/www.sysinfotools.com\/blog\/move-mailbox-from-on-premises-to-office365\/#faq-question-1789477793585","name":"Q2. Can an on-premises mailbox be migrated directly to Microsoft 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans. <\/strong>Yes. 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