{"id":11216,"date":"2026-09-24T09:13:38","date_gmt":"2026-09-24T09:13:38","guid":{"rendered":"https:\/\/www.cigatisolutions.com\/blog\/?p=11216"},"modified":"2026-09-24T09:24:38","modified_gmt":"2026-09-24T09:24:38","slug":"migrate-public-folder-to-office-365-shared-mailbox","status":"publish","type":"post","link":"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/","title":{"rendered":"How to Migrate Public Folder to Shared Mailbox in Office 365"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;11216&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;2&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 - (2 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Migrate Public Folder to Shared Mailbox in Office 365&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 - (2 votes)    <\/div>\n    <\/div>\n<div class=\"case-study-n my-3\">Public folders have been useful for many years, but they were not built for mobile phones or easy licensing. Today, many teams use phones and browsers for email. Therefore, many administrators choose to move folder to shared mailbox. This change removes limits on Outlook and saves money on licenses. This guide shows the reasons for moving and the exact steps to finish the move in Office 365.<\/div>\n\n<div class=\"case-study-n my-3\"><b><i>TL;DR: <\/i><\/b><i><i>Migrate public folder to shared mailbox is needed if you want to open the mailbox on a device. You can move the data manually or with a professional tool that makes the move easier.<\/i><\/i><\/div>\n\n<div style=\"border: 1px solid #000; padding: 10px; margin: 20px auto; width: 100%;\">\n\n<p><strong><i>A Question Many Admins Ask<\/i><\/strong><\/p>\n\n<p><i>\u201cWe still use folders in our Exchange Online tenant but our team wants to access shared data from Outlook mobile. How can we convert folder to shared mailbox in Office 365 without losing emails, permissions or folder structure?\u201d<\/i><\/p>\n\n<p>This is a normal situation for groups that set up public folders many years ago and now want something that works better on phones. The rest of this article explains why &amp; how.<\/p>\n\n<\/div>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Why_Convert_Public_Folder_to_Shared_Mailbox\" >Why Convert Public Folder to Shared Mailbox<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Before_You_Begin_Points_to_Check\" >Before You Begin: Points to Check<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#How_to_Migrate_Public_Folders_to_Office_365_Shared_Mailbox\" >How to Migrate Public Folders to Office 365 Shared Mailbox<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Step_01_Create_the_Destination_Shared_Mailbox\" >Step 01: Create the Destination Shared Mailbox<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Step_2_Assign_Full_Access_Permission\" >Step 2: Assign Full Access Permission<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Step_3_Export_the_public_folder_content_to_a_PST_file\" >Step 3: Export the public folder content to a PST file<\/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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Step_4_Import_the_PST_into_the_shared_mailbox\" >Step 4: Import the PST into the shared mailbox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Step_5_Recreate_permissions_Verify_data\" >Step 5: Recreate permissions. Verify data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#A_professional_method_for_larger_or_sensitive_migrations\" >A professional method for larger or sensitive migrations<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Conclusion\" >Conclusion<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Convert_Public_Folder_to_Shared_Mailbox\"><\/span>Why Convert Public Folder to Shared Mailbox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Public folders and shared mailboxes have the same goal: they let a group share one space instead of sending emails back and forth. They act in different ways.<\/p>\n<table style=\"border-collapse: collapse; margin: 20px auto; text-align: left; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Aspect<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Public Folder<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Shared Mailbox<\/i><\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Mobile access<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Limited or unavailable natively<\/span><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Fully supported in Outlook mobile<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Licensing<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Included with Exchange Online plans<\/span><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">No separate license needed<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Structure<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Deep folder hierarchy<\/span><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Flat mailbox with folders<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Storage limit<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Large capacity, spread across mailboxes<\/span><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">50 GB without a license, up to 100 GB with an added plan<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\"><b><i>Ease of setup for new users<\/i><\/b><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Requires folder-level permission planning<\/span><\/td>\n<td style=\"border: 1px solid #000; padding: 10px;\"><span style=\"font-weight: 400;\">Simple to add as an additional mailbox in Outlook<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Organizations usually pick to migrate Exchange Online public folders to shared mailbox when they want simpler access on all devices. When they want to stop rely on the old public folder setup &amp; when they want fewer mailboxes to manage. Microsoft has already announced that it will <\/span><b><i>not support Exchange Web Services (EWS) in Exchange Online<\/i><\/b><span style=\"font-weight: 400;\">. EWS is used by public folder tools. So now is a time to plan the move instead of waiting.<\/span><\/p>\n<p>This move is not right for every group. If your public folder data is larger than a shared mailbox can. If your team needs the many layers of folders that public folders give you might keep the public folder structure and move it to a new public folder system instead of a shared mailbox.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Before_You_Begin_Points_to_Check\"><\/span>Before You Begin: Points to Check<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">An Office 365 public folder to shared mailbox migration needs a few things ready first:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The account that does the move must have a <\/span><b><i>valid licensed mailbox &amp; full rights<\/i><\/b><span style=\"font-weight: 400;\"> to the shared mailbox that will receive the data.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Check how big the folder you plan to move is. If it is bigger than a shared mailbox <\/span><b><i>split the data into than one shared mailbox<\/i><\/b><span style=\"font-weight: 400;\"> before starting.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><i>Write down <\/i><\/b><span style=\"font-weight: 400;\">who can see the folder now so you can give the same people access to the shared mailbox later.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><i>Export the public folder data<\/i><\/b><span style=\"font-weight: 400;\"> to a file before the live move in case you need to restore or double-check.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">You can read Microsoft\u2019s notes on <\/span><a href=\"https:\/\/learn.microsoft.com\/en-us\/exchange\/collaboration-exo\/public-folders\/public-folders\" target=\"_blank\" rel=\"noopener\"><b>public folders in Exchange Online<\/b><\/a><span style=\"font-weight: 400;\"> for more details on limits &amp; client support before the move.<\/span><\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_Migrate_Public_Folders_to_Office_365_Shared_Mailbox\"><\/span>How to Migrate Public Folders to Office 365 Shared Mailbox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>You will see the steps that help you to move your data from public folder to shared mailboxes.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_01_Create_the_Destination_Shared_Mailbox\"><\/span>Step 01: Create the Destination Shared Mailbox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The shared mailbox must exist before any data is moved. You can create it in the Microsoft 365 admin center or, in the Exchange admin center:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sign in to the <\/span><b>Microsoft 365 admin center<\/b><span style=\"font-weight: 400;\">. Then go to <\/span><b>Teams and Groups<\/b><span style=\"font-weight: 400;\">. After that select <\/span><b>mailboxes<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Select <\/span><b>Add <\/b><span style=\"font-weight: 400;\">a shared mailbox, then enter a <\/span><b>display name &amp; email address<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Save the changes<\/b><span style=\"font-weight: 400;\">, then add the users who should have access once the migration is complete.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">Microsoft&#8217;s guide on<\/span><\/i><a href=\"https:\/\/learn.microsoft.com\/en-us\/microsoft-365\/admin\/email\/create-a-shared-mailbox\" target=\"_blank\" rel=\"noopener\"><i><span style=\"font-weight: 400;\"> creating a shared mailbox<\/span><\/i><\/a><i><span style=\"font-weight: 400;\"> covers this in detail, including how automapping and permission assignment work.<\/span><\/i><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Assign_Full_Access_Permission\"><\/span>Step 2: Assign Full Access Permission<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Grant the admin account &amp; the intended users full access permission to the shared mailbox. <\/span><b>Without that permission<\/b><span style=\"font-weight: 400;\"> the content that has been migrated will <\/span><b>not be visible<\/b><span style=\"font-weight: 400;\"> or usable once it reaches the shared mailbox. <\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Export_the_public_folder_content_to_a_PST_file\"><\/span>Step 3: Export the public folder content to a PST file<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">This is the core of the migration. The public folder content must be pulled out into a PST file before it can be placed into the shared mailbox. You can do this manually using <\/span><b>Outlook\u2019s export feature<\/b><span style=\"font-weight: 400;\"> or by using <\/span><b>eDiscovery search and export<\/b><span style=\"font-weight: 400;\"> in compliance\u2011heavy environments. If the folder structure is large or complex you might use a backup and export tool.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">For a step-by-step explanation of this part, check out our guide: <\/span><\/i><a href=\"https:\/\/www.cigatisolutions.com\/blog\/export-public-folder-to-pst\/\" target=\"_blank\" rel=\"noopener\"><b><i>Export Public Folder to PST<\/i><\/b><\/a><i><span style=\"font-weight: 400;\">.<\/span><\/i><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Import_the_PST_into_the_shared_mailbox\"><\/span>Step 4: Import the PST into the shared mailbox<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Once the PST file is ready you can bring it into the shared mailbox via Outlook. You have to <\/span><b>simply drag the folders into the shared mailbox<\/b><span style=\"font-weight: 400;\">. If the data set is large use the PST import service in the Microsoft 365 compliance center. During this step recreate the folder names so the structure stays clear &amp; recognizable for your team.<\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_5_Recreate_permissions_Verify_data\"><\/span>Step 5: Recreate permissions. Verify data<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">After the import finishes, assign the same access rights that existed on the original public folder to the relevant users on the shared mailbox. Open a few folders to confirm that the emails, attachments, &amp; dates have carried over correctly before retiring the public folder.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If your longer\u2011term plan also involves moving an existing shared mailbox into Office\u202f365 from another environment our guide on <\/span><a href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-shared-mailbox-to-office-365\/\" target=\"_blank\" rel=\"noopener\"><b>Migrate Shared Mailbox to Office\u202f365<\/b><\/a><span style=\"font-weight: 400;\"> covers that process separately.<\/span><\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"A_professional_method_for_larger_or_sensitive_migrations\"><\/span>A professional method for larger or sensitive migrations<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"migrate-btn-n my-4\">\n<p><span style=\"font-weight: 400;\">Export and import works well for small public folders but larger environments with several gigabytes of mixed content &#8211; emails, calendars, contacts &#8211; often benefit from a dedicated backup tool instead of relying only on Microsoft\u2019s own export options.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.cigatisolutions.com\/export-office-365-to-pst\/\" target=\"_blank\" rel=\"noopener\"><b>Cigati Exchange Server to PST Backup Tool<\/b><\/a><span style=\"font-weight: 400;\"> is designed to back up <\/span><b>primary, shared, public folder, <\/b><span style=\"font-weight: 400;\">and <\/span><b>archive mailboxes<\/b><span style=\"font-weight: 400;\"> in one pass while keeping the original folder hierarchy intact.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This approach is useful as a safety step: it lets an administrator hold a verified organized copy of the public folder data on hand before making any change to the source environment, which reduces the risk of losing information partway through a migration.<\/span><\/p>\n<div class=\"row justify-content-center mac-win-tab mt-3 mb-5\">\n<div class=\"col-md-6\">\n<ul id=\"myTab\" class=\"nav nav-tabs justify-content-center\" role=\"tablist\">\n<li class=\"nav-item\" role=\"presentation\"><button id=\"home-tab\" class=\"nav-link bg-transparent px-4 active\" role=\"tab\" type=\"button\" data-toggle=\"tab\" data-target=\"#home\" aria-controls=\"home\" aria-selected=\"true\"><i class=\"icon-windows\"><\/i> Windows<\/button><\/li>\n<li class=\"nav-item\" role=\"presentation\"><button id=\"profile-tab\" class=\"nav-link bg-transparent px-4\" role=\"tab\" type=\"button\" data-toggle=\"tab\" data-target=\"#profile\" aria-controls=\"profile\" aria-selected=\"false\"><i class=\"icon-apple\"><\/i>Mac<\/button><\/li>\n<\/ul>\n<div id=\"myTabContent\" class=\"tab-content\">\n<div id=\"home\" class=\"tab-pane fade active show\" role=\"tabpanel\" aria-labelledby=\"home-tab\"><span class=\"block_btn\"><a class=\"primary-btn\" href=\"https:\/\/www.cigatisolutions.com\/demo-version\/exchange-server-to-pst-backup-win.exe\" rel=\"nofollow\"><i class=\"icon-windows\"><\/i> Download Now<\/a>\u00a0\u00a0<a class=\"secondary-btn\" href=\"https:\/\/www.cigatisolutions.com\/exchange-server-to-pst-backup-tool\/purchase-now.php\" target=\"blank\" rel=\"nofollow\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/div>\n<div id=\"profile\" class=\"tab-pane fade\" role=\"tabpanel\" aria-labelledby=\"profile-tab\"><span class=\"block_btn\"><a class=\"primary-btn\" href=\"https:\/\/www.cigatisolutions.com\/demo-version\/exchange-server-to-pst-backup-for-mac.dmg\" rel=\"nofollow\"><i class=\"icon-apple\"><\/i> Download Now<\/a>\u00a0\u00a0<a class=\"secondary-btn\" href=\"https:\/\/www.cigatisolutions.com\/mac\/exchange-server-to-pst-backup-tool\/purchase-now.php\" target=\"blank\" rel=\"nofollow\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<table style=\"border-collapse: collapse; margin: 20px auto; text-align: left; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid #000; padding: 10px;\">\n<ul>\n<li>Transfer mailbox data from <b>Exchange Server to PST with ease<\/b>.<\/li>\n<li>Keep the <b>folder structure intact<\/b> during the whole process.<\/li>\n<li>Support both <b>single-user login<\/b> and <b>admin impersonation<\/b> for access.<\/li>\n<li>Send data to <b>Office 365<\/b>. Save it <b>directly as a PST file<\/b>.<\/li>\n<li><b>Remove duplicate <\/b>emails by checking sender, recipient, subject and message body.<\/li>\n<li>Once items are backed up, shift items to the <b>Bin to free up mailbox space<\/b> for data.<\/li>\n<li>Allow you to <b>rename folders<\/b> at the destination for organization.<\/li>\n<li>Let you limit the backup to a <b>date range<\/b>.<\/li>\n<li>Recognize items already backed up in sessions and skip them cutting down processing time on future runs.<\/li>\n<li>Give you control over which <b>item types <\/b>to include, such as emails, contacts or calendar entries.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Let you <\/span><b>pick the location<\/b><span style=\"font-weight: 400;\"> where PST files are saved.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Split PST files into smaller<\/b><span style=\"font-weight: 400;\"> easier-to-manage parts when the Split PST option is turned on.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">This software is available, for both operating systems, <\/span><b>Windows &amp; Mac.<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">To know how this software helps to move your data. Just look at the <\/span><a href=\"https:\/\/www.cigatisolutions.com\/exchange-server-to-pst-backup-tool\/how-it-works.html\" target=\"_blank\" rel=\"noopener\"><b>step-by-step guide <\/b><\/a><span style=\"font-weight: 400;\">for a clear understanding of the software.<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><i>Note:<\/i><\/b><i><span style=\"font-weight: 400;\"> Whether you choose an export or a dedicated backup utility the underlying goal stays the same: have a complete checked copy of the data before the public folder is retired or converted.<\/span><\/i><\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Choosing to move folders to a shared mailbox is mostly about fitting with how your organization currently works: being able to access things on the go having simpler licensing and easier everyday management. Think about storage limits, permissions and making sure there is a backup step. This will make the whole process more predictable.<\/p>\n<div class=\"faq-n my-4\">\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"schema-faq wp-block-yoast-faq-block\">\u00a0\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1790240184402\"><strong class=\"schema-faq-question\"><strong>Q1. Can a public folder be migrated directly into a shared mailbox without exporting to PST first?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> Native Microsoft tools do not offer a single\u2011step conversion between the two mailbox types. The export\u2011then\u2011import approach or a third\u2011party migration tool is currently the path.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1790240195875\"><strong class=\"schema-faq-question\"><strong>Q2. Will calendar items and contacts also migrate along with emails?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> Yes long as the export step includes those item types. Review the export settings before running the job so nothing gets left out.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1790240207779\"><strong class=\"schema-faq-question\"><strong>Q3. Do I need a license, for the shared mailbox?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> No. Shared mailboxes do not require a license as long as their size stays within the free storage limit.<\/p> <\/div> <\/div>\n<\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Public folders have been useful for many years, but they were not built for mobile phones or easy licensing. Today,<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/\">Read More<\/a><\/p>\n","protected":false},"author":16,"featured_media":14227,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-11216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-email-management-migration"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Migrate Public Folder to Shared Mailbox: 2026 Guide<\/title>\n<meta name=\"description\" content=\"Learn how to Migrate Public Folder to Shared Mailbox in Microsoft 365 while maintaining email data, folder structure, and user permissions.\" \/>\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.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migrate Public Folder to Shared Mailbox: 2026 Guide\" \/>\n<meta property=\"og:description\" content=\"Learn how to Migrate Public Folder to Shared Mailbox in Microsoft 365 while maintaining email data, folder structure, and user permissions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cigatisolutions.com\/blog\/migrate-public-folder-to-office-365-shared-mailbox\/\" \/>\n<meta property=\"og:site_name\" content=\"Cigati Solutions Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-24T09:13:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-24T09:24:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cigatisolutions.com\/blog\/wp-content\/uploads\/2026\/06\/Migrate-Public-Folder-to-Shared-Mailbox.webp\" \/>\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\/webp\" \/>\n<meta name=\"author\" content=\"Khushboo Maurya\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Khushboo Maurya\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/migrate-public-folder-to-office-365-shared-mailbox\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/migrate-public-folder-to-office-365-shared-mailbox\\\/\"},\"author\":{\"name\":\"Khushboo Maurya\",\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/#\\\/schema\\\/person\\\/6314bdc9922fc7e2743043a2d95ee2d1\"},\"headline\":\"How to Migrate Public Folder to Shared Mailbox in Office 365\",\"datePublished\":\"2026-09-24T09:13:38+00:00\",\"dateModified\":\"2026-09-24T09:24:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/migrate-public-folder-to-office-365-shared-mailbox\\\/\"},\"wordCount\":1472,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/migrate-public-folder-to-office-365-shared-mailbox\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cigatisolutions.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Migrate-Public-Folder-to-Shared-Mailbox.webp\",\"articleSection\":[\"Email Management &amp; 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