{"id":11194,"date":"2026-06-24T10:18:32","date_gmt":"2026-06-24T10:18:32","guid":{"rendered":"https:\/\/www.cigatisolutions.com\/blog\/?p=11194"},"modified":"2026-06-24T10:18:34","modified_gmt":"2026-06-24T10:18:34","slug":"export-office-365-archive-mailbox-to-pst","status":"publish","type":"post","link":"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/","title":{"rendered":"How to Export Office 365 Archive Mailbox to PST File &#8211; Verified"},"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;11194&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;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;How to Export Office 365 Archive Mailbox to PST File - Verified&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\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><em>\u201cHi, I am Amelia Carper, and I have my in-place archive nearing capacity, and so I find it logical to export this archive into a PST file and store that on-site for future use, while freeing up the space in the Office 365 archive mailbox itself. However, the problem is that I cannot find any documentation about how to perform this export. Currently, I cannot locate the in-place archive in either Outlook or the web mail interface, nor do I see an export option. Can anyone suggest how I should proceed?\u201d<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft provided Office 365 Archive Mailboxes to manage the space consumption and secure old historical emails without affecting the performance of the primary mailbox. These mailboxes automatically store the emails and are accessible through desktop or web Outlook. However, when users like Amelia or large organizations need this data on the local OS, converting it to PST becomes a challenge. This guide will explain how you can export Office 365 Archive Mailbox to PST free or with the <strong>Cigati <\/strong><a href=\"https:\/\/www.cigatisolutions.com\/office-365-backup-and-restore\/\"><strong>Office 365 Backup Tool<\/strong><\/a> without any loss or data alterations in minimal time.<\/p>\n\n\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\" 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href=\"https:\/\/www.cigatisolutions.com\/mac\/office365-backup\/purchase-now.php\"><i class=\"icon-basket\"><\/i> Purchase Now<\/a><\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n\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\/export-office-365-archive-mailbox-to-pst\/#How_to_Conveniently_Export_Online_Archive_to_PST\" >How to Conveniently Export Online Archive to PST?<\/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\/export-office-365-archive-mailbox-to-pst\/#Cost-Free_Export_Office_365_Archive_Mailbox_to_PST\" >Cost-Free Export Office 365 Archive Mailbox to PST<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#1_Use_Microsoft_Compliance_Purview_Panel_for_Cloud_Exports\" >1) Use Microsoft Compliance Purview Panel for Cloud Exports&nbsp;<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#PowerShell_Exporting_PST_Files_from_Microsoft_365_In-place_Archive\" >PowerShell Exporting PST Files from Microsoft 365 In-place Archive<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#2_Outlook_Export_Online_Archive_to_PST\" >2) Outlook Export Online Archive to PST<\/a><\/li><\/ul><\/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\/export-office-365-archive-mailbox-to-pst\/#Risk-Free_Export_Office_365_Archive_Mailbox_to_PST_File\" >Risk-Free Export Office 365 Archive Mailbox to PST File<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#Steps_to_Export_Archive_Mailbox_to_PST\" >Steps to Export Archive Mailbox to PST<\/a><\/li><\/ul><\/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\/export-office-365-archive-mailbox-to-pst\/#Final_Remarks\" >Final Remarks<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#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=\"How_to_Conveniently_Export_Online_Archive_to_PST\"><\/span>How to Conveniently Export Online Archive to PST?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">There are three top solutions to make this export depending on your internet speed, technical proficiency, and mailbox size. These are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Manually using Microsoft Purview (PowerShell Cmdlet) for Admins&nbsp;<\/li>\n\n\n\n<li>Free via Microsoft Outlook for Individuals needing control&nbsp;<\/li>\n\n\n\n<li>Through the expert Office 365 Backup and Restore Tool for All Users&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">We will discuss all these methods in complete detail below. However, you must first ensure a few prerequisites for a smooth and successful migration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pre-Migration Checklist to Export Archive Mailbox to PST<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Appropriate M365 compliance and Exchange permissions&nbsp;<\/li>\n\n\n\n<li>Active and accessible O365 Archive Mailbox&nbsp;<\/li>\n\n\n\n<li>Visible archive mailbox within MS Outlook&nbsp;<\/li>\n\n\n\n<li>Complete storage availability and size of the archive mailbox&nbsp;<\/li>\n\n\n\n<li>Stable internet connectivity for data handling&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Note:<\/strong> Office 365 Archive Mailbox\/In-place Archive\/Online Archive is a Microsoft additional mailbox handling storage, reducing mailbox size, improving performance, and meeting long-term retention needs. Generally, stored in Exchange Online and managed independently from the primary mailbox, it requires a specific approach to capture all emails in PST securely. So, meet the above requirements and then proceed with the mentioned stepwise guide.&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cost-Free_Export_Office_365_Archive_Mailbox_to_PST\"><\/span>Cost-Free Export Office 365 Archive Mailbox to PST<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As mentioned above, there are two manual solutions, one specifically for Admins and IT Teams with technical proficiency and another for individuals. However, both must have a few emails to deal with. To understand these methods better, check here:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Use_Microsoft_Compliance_Purview_Panel_for_Cloud_Exports\"><\/span>1) Use Microsoft Compliance Purview Panel for Cloud Exports&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">If you are an admin and need to extract only the specific user archive data without Outlook access, follow these steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Sign in<\/strong> to the <a href=\"https:\/\/web.purview.azure.com\/\"><strong>Microsoft Purview Portal<\/strong><\/a><strong> <\/strong>and go to <strong>Roles and Scopes<\/strong>.&nbsp;<\/li>\n\n\n\n<li>Then, click <strong>Permissions<\/strong> and add your<strong> Office 365 archive mailbox account <\/strong>to the <strong>eDiscovery Manager Role Group<\/strong>.&nbsp;<\/li>\n\n\n\n<li>Further, move to <strong>Solutions<\/strong> and click on <strong>eDiscovery<\/strong>. Press <strong>Content Search <\/strong>and then <strong>New Search<\/strong>.&nbsp;<\/li>\n\n\n\n<li>Afterward, <strong>name <\/strong>your search and turn on the <strong>Mailbox status<\/strong>. Specify the <strong>email address<\/strong> of the user there.&nbsp;<\/li>\n\n\n\n<li>Set your <strong>conditions<\/strong> for the search scopes and click the <strong>Run Query <\/strong>button.&nbsp;<\/li>\n\n\n\n<li>Wait for it to complete and track the progress of the migration in the <strong>Statistics<\/strong> tab.&nbsp;<\/li>\n\n\n\n<li>Later, once it finishes, go back to <strong>Content Search<\/strong> and click <strong>Actions<\/strong>.&nbsp;<\/li>\n\n\n\n<li>There, tap <strong>Export Results <\/strong>and choose to <strong>create PSTs for messages.&nbsp;<\/strong><\/li>\n\n\n\n<li>Furthermore, from the <strong>Export tab<\/strong> in <strong>Purview,<\/strong> copy your <strong>Export key<\/strong>.&nbsp;<\/li>\n\n\n\n<li>At last, click <strong>Download Results<\/strong> and use the <strong>eDiscovery PST Export Tool<\/strong> to save <strong>PSTs<\/strong> with the copied <strong>Export key.<\/strong>&nbsp;<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">This is one way to export Office 365 archive mailbox to PST. But this isn\u2019t it. This method can be executed in another way too, using the PowerShell commands as displayed below.&nbsp;<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PowerShell_Exporting_PST_Files_from_Microsoft_365_In-place_Archive\"><\/span>PowerShell Exporting PST Files from Microsoft 365 In-place Archive<span class=\"ez-toc-section-end\"><\/span><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>First, install and update the following <strong>modules <\/strong>on your system:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Install-Module ExchangeOnlineManagement -Force<\/strong><strong>Import-Module ExchangeOnlineManagement<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Also, connect the <strong>Security and Compliance PowerShell module<\/strong> with the command: <strong>Connect-IPPSSession.<\/strong>&nbsp;<\/li>\n\n\n\n<li>This will help you to connect with Microsoft Compliance Purview easily.&nbsp;<\/li>\n\n\n\n<li>Further, download the <strong>PowerShell script<\/strong>, launch it, and run it on your OS.&nbsp;<\/li>\n\n\n\n<li>Open <strong>Windows PowerShell<\/strong> as an administrator. Go to the saved folder and execute it as:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>cd &#8220;X:\\Path\\To\\Script&#8221;&nbsp; \/\/<\/strong> Replace X with your drive letter where it is saved.&nbsp;<strong>.\\In-PlaceArchiveDownload1.ps1 \/\/<\/strong>Executing the Script&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li>Now,<strong> log in<\/strong> using your <strong>Exchange Online Administrator Account <\/strong>and enter the <strong>mailbox email address<\/strong> to export from.&nbsp;<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Connect-ExchangeOnline<\/strong><strong>Get-Mailbox -Identity username@domain.com | Select ArchiveStatus<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"7\" class=\"wp-block-list\">\n<li>Afterward, you will create a<strong> new Compliance Search<\/strong> and will be prompted to enter a <strong>name <\/strong>for it. Give one.&nbsp;<\/li>\n\n\n\n<li>Furthermore, <strong>log in<\/strong> with the <strong>Compliance and Security Admin Credentials.<\/strong>&nbsp;<\/li>\n\n\n\n<li><strong>Start<\/strong> the <strong>compliance search<\/strong> and get the <strong>statistics<\/strong> with the commands:<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Get-MailboxStatistics -Identity username@domain.com -Archive<\/strong><strong>Get-EXOMailboxStatistics -Identity username@domain.com -Archive<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ol start=\"10\" class=\"wp-block-list\">\n<li>Finally, in your <strong>MS Purview Portal<\/strong>, go to <strong>Content Search<\/strong>. Locate the created <strong>Compliance Search<\/strong> and download <strong>Export Results<\/strong> as <strong>PST<\/strong>.&nbsp;<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Even though this manual solution is available, both methods need admin credentials and a high level of technical proficiency. There are high chances of human error and data loss, which can result in more complexities and risks to the business operations and performance. Henceforth, these methods are not recommended.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Outlook_Export_Online_Archive_to_PST\"><\/span>2) Outlook Export Online Archive to PST<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">If you are an individual user and have your Office 365 archive mailbox completely loaded in Outlook, then this works for you. Steps to follow are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Open <strong>Outlook<\/strong> and, along with the <strong>Primary Mailbox<\/strong>, the <strong>Archive Mailbox <\/strong>must appear in the<strong> left pane.&nbsp;<\/strong><\/li>\n\n\n\n<li>Then, from <strong>File<\/strong>, press <strong>Open and Export,<\/strong> and then click <strong>Import\/Export.&nbsp;<\/strong><\/li>\n\n\n\n<li>Afterward, choose <strong>Export to a File<\/strong>, click <strong>Next,<\/strong> and opt for <strong>PST.<\/strong> Again, press <strong>Next.<\/strong>&nbsp;<\/li>\n\n\n\n<li>Select your<strong> Online Archive Mail folder<\/strong> for the export and ensure to <strong>Include Subfolders.&nbsp;<\/strong><\/li>\n\n\n\n<li>Finally, pick a secure <strong>destination <\/strong>for your mailbox and click <strong>Finish <\/strong>to save the <strong>PST<\/strong>.&nbsp;<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">This method is completely user-dependent and requires an active MS Outlook profile as a mandatory part for export. Also, it is time-consuming for large and bulky mailboxes and may fail midway. It can even result in performance issues, incomplete exports, or data loss. So, this method is also less preferable.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If none of the above manual methods suits the user, then what is the ideal solution that Amelia and others must opt for?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Risk-Free_Export_Office_365_Archive_Mailbox_to_PST_File\"><\/span>Risk-Free Export Office 365 Archive Mailbox to PST File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you are an individual, an admin, a team, an organization, or an enterprise that needs a secure Archive mailbox to PST export, use <strong>Cigati Office 365 Backup Software<\/strong>. It is specifically built to deal with such mailboxes and very large volumes of email content within it. The software poses no size limitations and uses secure OAuth 2.0 modern authentication for login. Additionally, it keeps all the email folders, structure, metadata, headers, and timestamps preserved, whether you are on Windows or Mac OS. With smart built-in custom filter options, fast processing speed, and secure conversion process, it is a preferred choice of many users and experts globally.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Steps_to_Export_Archive_Mailbox_to_PST\"><\/span>Steps to Export Archive Mailbox to PST<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Launch the <strong>Microsoft 365 Backup and Restore Tool<\/strong> and click <strong>Backup<\/strong>. In the next window, <strong>Continue.<\/strong><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/2.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n\n<li>Then, pick a <strong>mode of authentication <\/strong>and enter your <strong>Office 365 Archive Mailbox credentials<\/strong>. Authenticate.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/4.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n\n<li>Further, choose the <strong>Online Archive Mailbox<\/strong> from the options and select the IDs. Click <strong>Next<\/strong>.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/8.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n\n<li>Afterward, select the <strong>email folders <\/strong>that you want to migrate from the tree structure and click <strong>Next<\/strong>.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/10.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n\n<li>Later, choose <strong>PST<\/strong> from the options and apply the relevant <strong>filters <\/strong>before the export.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/11.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n\n<li>Pick a <strong>destination path<\/strong> to save your data on the OS and click the <strong>Next <\/strong>button.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/18.webp\" alt=\"\"\/><\/figure>\n\n\n\n<ol start=\"7\" class=\"wp-block-list\">\n\n<li>Finally, verify the source and the conversion to PST and click <strong>Convert<\/strong> to finish.<\/li>\n\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.cigatisolutions.com\/images\/screenshot\/office-365-backup-and-restore\/19.webp\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">It will securely export all the emails you selected from the archive mailbox into the PST format saved at the chosen location on your OS. You can later access these files easily with MS Outlook. If needed, you can first use the Demo Version to try the export of upto 50 emails per folder for free, evaluating and testing the software and its functionalities. This is easy to use, straightforward, reliable, versatile, and secure, and hence, is generally recommended by experts.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Remarks\"><\/span>Final Remarks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Long-term archiving and retention of archived mail is extremely important for users with Office 365 Online mailboxes. However, to manage email communication outside of Microsoft 365, it becomes necessary to export Office 365 archive mailbox to PST file. Normally, exporting using the built-in export function available in Outlook is sufficient for single mailbox archives or the Microsoft Purview for admins. But, this can become inefficient for large organisations due to the time, effort, and skills it requires, and still no guarantee for lossless exports. Henceforth, make the right choice by choosing the Cigati Office 365 Migration Tool and ensure your emails are accessible with no loss or downtime in a single go.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>You May Also Read:<\/strong> <a href=\"https:\/\/www.cigatisolutions.com\/blog\/import-pst-to-online-archive\/\">Import PST to Archive Mailbox Office 365<\/a><\/p>\n\n\n\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\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782294436041\"><strong class=\"schema-faq-question\">Q<strong>1. How can I securely transfer an Office 365 Archive Mailbox to PST?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> The most secure way is to use an Office 365 Migrator Tool like Cigati. But if you want to go free and have technical skills, you can use Microsoft Purview Portal with admin credentials, permissions, and access.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782294698228\"><strong class=\"schema-faq-question\">Q2. <strong>Can I transfer an Online Archive to PST without using Outlook?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> Yes, there is the professional Microsoft 365 Export Tool that can transfer Archive Mailbox data directly to PST without Outlook installation. It works independently and transfers data with utmost precision.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782294737132\"><strong class=\"schema-faq-question\">Q3. <strong>Can I export more than one Archive Mailbox at a time?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> Outlook and Purview Portal do not support bulk transfers of Archive Mailboxes at one time. So, you may use the Microsoft 365 Backup Tool by Cigati Solutions to make the transfer of multiple Archive Mailboxes at the same time. Pick the IDs once you select and log in to the profile.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782294767911\"><strong class=\"schema-faq-question\">Q<strong>4. Will the folder Structure of my Archive Mailbox remain intact when I export it to PST?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> If you are using a specialized migration tool for exporting PST files from Microsoft 365 In-place Archive, then yes. Your folder structure and all the data fidelity will be preserved as in the original mailbox. <\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782294805237\"><strong class=\"schema-faq-question\">Q<strong>5. Is there a limit on the size when I export Office 365 archive mailbox to PST?<\/strong><\/strong> <p class=\"schema-faq-answer\"><strong>Ans.<\/strong> The practical consideration for the size limit of an Archive Mailbox is based on the performance of Outlook and how large a mailbox you will be transferring. A very large Archive Mailbox will generally require a dedicated Cigati Office 365 Backup and Restore Software for maximum efficiency during processing. <\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u201cHi, I am Amelia Carper, and I have my in-place archive nearing capacity, and so I find it logical to<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":11196,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45],"tags":[],"class_list":["post-11194","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>How to Export Office 365 Archive Mailbox to PST File [2026]<\/title>\n<meta name=\"description\" content=\"Export Office 365 archive mailbox to PST quickly and safely. 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But if you want to go free and have technical skills, you can use Microsoft Purview Portal with admin credentials, permissions, and access.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#faq-question-1782294698228","position":2,"url":"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#faq-question-1782294698228","name":"Q2. Can I transfer an Online Archive to PST without using Outlook?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans.<\/strong> Yes, there is the professional Microsoft 365 Export Tool that can transfer Archive Mailbox data directly to PST without Outlook installation. 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Pick the IDs once you select and log in to the profile.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#faq-question-1782294767911","position":4,"url":"https:\/\/www.cigatisolutions.com\/blog\/export-office-365-archive-mailbox-to-pst\/#faq-question-1782294767911","name":"Q4. Will the folder Structure of my Archive Mailbox remain intact when I export it to PST?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"<strong>Ans.<\/strong> If you are using a specialized migration tool for exporting PST files from Microsoft 365 In-place Archive, then yes. Your folder structure and all the data fidelity will be preserved as in the original mailbox. 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