{"id":3632,"date":"2026-08-11T06:03:14","date_gmt":"2026-08-11T06:03:14","guid":{"rendered":"https:\/\/www.arysontechnologies.com\/blog\/?p=3632"},"modified":"2026-08-11T06:03:16","modified_gmt":"2026-08-11T06:03:16","slug":"import-olm-file-to-office-365","status":"publish","type":"post","link":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/","title":{"rendered":"Migrate \/ Import OLM Files to Office 365 \u2013 Complete Guide"},"content":{"rendered":"<div class=\"query\" style=\"background-color: #f7fff9; padding: 20px; \/* border-left: 3px solid #265378; *\/margin-bottom: 10px; border: 2px solid #00e477; border-radius: 19px;\">\n<p><strong>User Query:<\/strong><span style=\"font-weight: 400;\"> \u201c<\/span><em><span style=\"font-weight: 400;\">My company is moving from Outlook for Mac to Office 365, and I have several OLM files containing important business emails. I don&#8217;t want to manually transfer everything because it seems time-consuming. Can anyone recommend an easy and secure way to migrate OLM emails to Office 365?\u201d<\/span><\/em><\/p>\n<\/div>\n<div class=\"query\" style=\"background-color: #effaff; padding: 20px; border-left: 4px solid #265378; margin-bottom: 10px; border-radius: 20px; border-right: 4px solid #265378; box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px, rgba(60, 64, 67, 0.15) 0px 2px 6px 2px; \/* border-image: linear-gradient(to bottom, #62D593, rgba(0, 0, 0, 0)) 1 100%;\">\n<p><em><strong>Summary: <span style=\"font-weight: 400;\">When you switch from Outlook for Mac to Office 365, mailbox data is saved in an OLM file, but Office 365 does not have an inbuilt option to open OLM files. If you\u2019re struggling to find your way through how to migrate that data over, this guide walks you through a native workaround and a dedicated <\/span><a href=\"https:\/\/www.arysontechnologies.com\/olm-converter\/\" target=\"_blank\" rel=\"noopener\">Aryson OLM Converter Tool<\/a><span style=\"font-weight: 400;\"> that gets it done without the guesswork.<\/span><\/strong><\/em><\/p>\n<div class=\"row justify-content-center mac-win-tab\">\n<div class=\"col-md-6\">\n<ul id=\"myTab\" class=\"nav nav-tabs justify-content-center border-primary\" 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\"> 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\" 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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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#OLM_Files_vs_M365_Feature_Comparison\" >OLM Files vs M365: Feature Comparison\u00a0<\/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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Why_Do_Organizations_Import_OLM_to_Office_365\" >Why Do Organizations Import OLM to Office 365?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Effective_Ways_to_Migrate_OLM_Emails_to_Office_365\" >Effective Ways to Migrate OLM Emails to Office 365<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Way_01_Native_Approach_to_Convert_OLM_to_Office_365\" >Way 01: Native Approach to Convert OLM to Office 365<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Drawbacks_of_the_Manual_Migration_Method\" >Drawbacks of the Manual Migration Method<\/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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Way_02_Automated_Solution_to_Migrate_OLM_Emails_to_Office_365\" >Way 02: Automated Solution to Migrate OLM Emails to Office 365<\/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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Quick_Tutorial_to_Migrate_Mac_Outlook_olm_files_to_Office_365\" >Quick Tutorial to Migrate Mac Outlook .olm files to Office 365:<\/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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Daniels_Success_Story\" >Daniel&#8217;s Success Story<\/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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Why_Is_an_Automated_Solution_Widely_Preferred\" >Why Is an Automated Solution Widely Preferred?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#End_Note\" >End Note<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"OLM_Files_vs_M365_Feature_Comparison\"><\/span>OLM Files vs M365: Feature Comparison\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div style=\"margin: 20px 0;\">\n<table style=\"border-collapse: collapse; border: 1px solid #555555;\">\n<tbody>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p><strong>Feature<\/strong><\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p><strong>OLM Files<\/strong><\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p><strong>Office 365<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Accessibility<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Accessible only through Outlook for Mac on macOS.<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Accessible from Windows, Mac, web browsers, Android, &amp;iOS devices.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Storage<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Stores mailbox data locally on your Mac.<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Stores data securely in the cloud with automatic synchronization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Data Backup<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Requires manual backup to prevent data loss.<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Provides automatic cloud backup &amp; built-in data redundancy.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Collaboration<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>No support for real-time collaboration or file sharing.<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Supports Teams, SharePoint, OneDrive, shared calendars, and collaborative work.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Security<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Security depends on the local device and system settings.<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Offers enterprise-grade security, encryption, and advanced threat protection.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Scalability<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Designed primarily for individual Outlook users.\u00a0<\/p>\n<\/td>\n<td style=\"border: 1px solid #555; padding: 8px;\">\n<p>Designed for individuals, businesses, &amp; enterprises with centralized management.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Organizations_Import_OLM_to_Office_365\"><\/span>Why Do Organizations Import OLM to Office 365?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li aria-level=\"1\">Access emails, contacts, and calendars from any device, wherever you are.<\/li>\n<li aria-level=\"1\">Make it easier for teams to share calendars, contacts, and work together.<\/li>\n<li aria-level=\"1\">Keep mailbox data safer with better account protection and security features.<\/li>\n<li aria-level=\"1\">Store data online instead of relying on local OLM files, reducing the chance of losing important information.<\/li>\n<li aria-level=\"1\">Manage user accounts and settings from one place, making administration simpler.<\/li>\n<\/ul>\n<h2 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Effective_Ways_to_Migrate_OLM_Emails_to_Office_365\"><\/span>Effective Ways to Migrate OLM Emails to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Depending on your comfort with manual configuration and the size of your mailbox, you can pick from either of these two routes.<\/p>\n<ul>\n<li aria-level=\"1\">Native Approach<\/li>\n<li aria-level=\"1\">Automated Solution<\/li>\n<\/ul>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Way_01_Native_Approach_to_Convert_OLM_to_Office_365\"><\/span>Way 01: Native Approach to Convert OLM to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Office 365 doesn\u2019t accept an OLM file directly, so this route moves the data via an IMAP mailbox and Outlook for Windows into your Office 365 account.<\/p>\n<p>Steps for OLM to Office 365 Migration Manually:<\/p>\n<ol>\n<li aria-level=\"1\">Firstly, sign in to a <strong>Gmail <\/strong>(or other IMAP) account and turn on IMAP access from its settings.<\/li>\n<li aria-level=\"1\">Open <strong>Outlook <\/strong>for <strong>Mac <\/strong>&gt;&gt; add this same IMAP account alongside your OLM profile.<\/li>\n<li aria-level=\"1\">Create a new label inside the IMAP mailbox, then drag the emails from your OLM data into it.<\/li>\n<li aria-level=\"1\">Give the account time to sync so every message reaches the IMAP server.<\/li>\n<li aria-level=\"1\">Then, configure that same IMAP account inside Outlook for Windows.<\/li>\n<li aria-level=\"1\">Use <strong>Outlook&#8217;s Import\/Export<\/strong> wizard to save the synced mailbox as a PST file.<\/li>\n<li aria-level=\"1\">Finally, upload this PST file to your Office 365 mailbox through the Network Upload or drive-shipping option.<\/li>\n<\/ol>\n<div class=\"py-3r ps-3\" style=\"border: 2px solid #C2410C; margin-top: 10px; margin-bottom: 10px; padding-top: 8px; padding-left: 10px; border-radius: 10px; background: #FFF7ED;\">\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Drawbacks_of_the_Manual_Migration_Method\"><\/span>Drawbacks of the Manual Migration Method<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li aria-level=\"1\">The relay through IMAP and PST adds several extra stages to a single migration.<\/li>\n<li aria-level=\"1\">Large mailboxes can take hours to sync across two email clients.<\/li>\n<li aria-level=\"1\">Attachments and formatting sometimes don&#8217;t survive the multiple hops.<\/li>\n<li aria-level=\"1\">You cannot pick individual OLM folders for a selective transfer.<\/li>\n<li aria-level=\"1\">A working knowledge of IMAP and Outlook configuration is required throughout.<\/li>\n<\/ul>\n<\/div>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Way_02_Automated_Solution_to_Migrate_OLM_Emails_to_Office_365\"><\/span>Way 02: Automated Solution to Migrate OLM Emails to Office 365<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The <strong>Aryson OLM Converter Tool<\/strong> enables the direct importation of the OLM file into Office 365 via the secured Microsoft authentication process without any need for migration processes. Apart from being useful to <strong><a href=\"https:\/\/www.arysontechnologies.com\/blog\/convert-olm-to-pst-outlook-in-easy-ways\/\" target=\"_blank\">migrate OLM file to Outlook PST<\/a><\/strong> , it can be used to convert the OLM file to different file formats such as PDF, EML, MSG, MBOX, CSV, DOCX, PNG, ICS, and VCF. This gives users the flexibility to migrate mailbox data to Microsoft 365 or save it in the format that best fits their requirements.<\/p>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Quick_Tutorial_to_Migrate_Mac_Outlook_olm_files_to_Office_365\"><\/span>Quick Tutorial to Migrate Mac Outlook .olm files to Office 365:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li aria-level=\"1\">Download &amp; launch the <strong>Aryson OLM Converter<\/strong> on your Windows system.<\/li>\n<li aria-level=\"1\">Click <strong>Select File(s) or Select Folder <\/strong>where your OLM file is saved and load it into the tool &gt;&gt; <strong>Proceed<\/strong>.<\/li>\n<li aria-level=\"1\"><strong>Preview <\/strong>and <strong>select <\/strong>the mailbox folders you want to move from the preview panel &amp; click <strong>Proceed<\/strong>.<\/li>\n<li aria-level=\"1\">Next, choose <strong>Office 365<\/strong> as the saving option and enter your account credentials.<\/li>\n<li aria-level=\"1\">if you want apply <strong>filters <\/strong>such as <strong>date range or duplicate removal <\/strong>of your choice.<\/li>\n<li aria-level=\"1\">\u00a0Click <strong>Start Export<\/strong> to begin the transfer.<\/li>\n<\/ol>\n<div style=\"border: 2px solid #4A6FA5; padding: 10px; margin-top: 10px; margin-bottom: 10px; text-align: center; border-radius: 25px; background-color: #f4f7fb; font-family: Arial, sans-serif; font-size: 16px; line-height: 1.5;\">\n<p style=\"text-align: left;\"><strong>Note<\/strong>: For a detailed stepwise explanation on OLM files to Office 365 import, refer to the <a href=\"https:\/\/www.arysontechnologies.com\/pdf\/ayrson-olm-converter-guides.pdf\" target=\"_blank\" rel=\"noopener\"><strong>user guide of the Aryson OLM Converter tool<\/strong><\/a>. It walks you through every screen in the process so you can avoid setup mistakes and keep your mailbox data accurate from start to finish.<\/p>\n<\/div>\n<div style=\"border: 2px solid #FF69B4; padding: 10px; margin-top: 10px; margin-bottom: 10px; text-align: center; border-radius: 25px; background-color: #e6f2ff; font-family: Arial, sans-serif; font-size: 16px; line-height: 1.5;\">\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Daniels_Success_Story\"><\/span><strong>Daniel&#8217;s Success Story<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: left;\"><strong><em>Daniel, an operations manager in Chicago<\/em><\/strong>, needed to import years of client emails stored in an OLM file into Office 365. He first tried the manual IMAP method, but the process was slow, and some folders and attachments were not transferred successfully. Frustrated, he switched to the <strong>Aryson OLM Converter<\/strong> that same afternoon and applied a folder-selective filter. The tool imported his entire mailbox into Office 365 within minutes, with every folder and attachment intact.<\/p>\n<\/div>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Why_Is_an_Automated_Solution_Widely_Preferred\"><\/span>Why Is an Automated Solution Widely Preferred?<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li aria-level=\"1\">It imports OLM data directly into Office 365 without using an intermediate IMAP server.\u00a0<\/li>\n<li aria-level=\"1\">Folder hierarchy and formatting stay exactly as they were in the original file.<\/li>\n<li aria-level=\"1\">Filters let you skip duplicates or migrate only a set date range.<\/li>\n<li aria-level=\"1\">Multiple OLM files can be added and processed together.<\/li>\n<li aria-level=\"1\">It removes the technical setup that the manual method demands.<\/li>\n<\/ul>\n<h3 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"End_Note\"><\/span>End Note<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In the above article, we discussed that there are several users who migrate OLM emails to Office 365 to access their mailbox data from anywhere and simplify collaboration. To achieve an accurate import, it is important to choose the right approach between the manual method and the automated method. However, the manual method works well for a few emails; it is suggested that large-scale users use the automated solution as it provides various features for a quick import.<\/p>\n<h3 class=\"faq-main_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-1786427704544\"><strong class=\"schema-faq-question\"><strong>Q. 1 Can I import OLM files directly into Office 365?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: No. Microsoft 365 does not provide a native option to import OLM files directly. You can either use Outlook for Mac as an intermediate step or use the Aryson OLM Converter Tool to migrate OLM files directly to an Office 365 mailbox.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427896259\"><strong class=\"schema-faq-question\"><strong>Q. 2. Does the Aryson OLM Converter Tool migrate all mailbox items to Office 365?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The Aryson OLM Converter Tool imports emails, attachments, contacts, calendars, tasks, notes, journals, and other Outlook mailbox items to Office 365 while preserving the original folder hierarchy.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427896826\"><strong class=\"schema-faq-question\"><strong>Q. 3. Can I migrate multiple OLM files to Office 365 in a single process?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The Aryson OLM Converter Tool supports bulk migration, allowing users to add multiple OLM files and import them into one or multiple Office 365 accounts without repeating the process.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427897442\"><strong class=\"schema-faq-question\"><strong>Q. 4. Does the tool maintain folder hierarchy and email properties during migration?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The software preserves folder structure, email formatting, sender and recipient details, timestamps, attachments, and other mailbox properties throughout the migration.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427899434\"><strong class=\"schema-faq-question\"><strong>Q. 5. Can I import only selected emails from an OLM file?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The Aryson OLM Converter Tool includes advanced filters such as date range, folder selection, and duplicate email removal, allowing users to migrate only the required mailbox data.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427900026\"><strong class=\"schema-faq-question\"><strong>Q. 6. Is Outlook for Mac required to import OLM files into Office 365?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: No. When using the Aryson OLM Converter Tool, Outlook for Mac is not required. The software reads OLM files directly and imports them into Office 365.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427900594\"><strong class=\"schema-faq-question\"><strong>Q. 7. Does the tool support Microsoft 365 modern authentication?<\/strong><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The Aryson OLM Converter Tool supports secure OAuth authentication for Microsoft 365, ensuring a safe and reliable connection during the migration process.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427901098\"><strong class=\"schema-faq-question\"><strong>Q. 8. Can the Aryson OLM Converter Tool migrate large OLM files without data loss?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The software is designed to process large OLM files while maintaining data integrity. It securely migrates mailbox data without modifying the original OLM file.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427901651\"><strong class=\"schema-faq-question\"><strong>Q. 9. Can I preview OLM mailbox data before importing it into Office 365?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. The Aryson OLM Converter Tool provides a preview of emails, contacts, calendars, tasks, and attachments before migration, allowing users to verify the selected data.<br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1786427902642\"><strong class=\"schema-faq-question\"><strong>Q. 10. Does the Aryson OLM Converter Tool generate a migration report after completion?<\/strong><br><\/strong> <p class=\"schema-faq-answer\">Ans: Yes. After the migration finishes, the software generates a detailed report containing the migration status, successfully imported items, skipped items, and any errors encountered during the process.<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;3632&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;5&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 - (5 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Migrate \\\/ Import OLM Files to Office 365 \u2013 Complete Guide&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 - (5 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>User Query: \u201cMy company is moving from Outlook for Mac to Office 365, and I have several OLM files containing<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/\">Read More<\/a><\/p>\n","protected":false},"author":12,"featured_media":7139,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-3632","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 v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Migrate OLM Emails to Office 365: Migration for Enterprise<\/title>\n<meta name=\"description\" content=\"Explore methods to import OLM files to Office 365. Find the best solution to easily migrate OLM files to Office 365.\" \/>\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.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migrate OLM Emails to Office 365: Migration for Enterprise\" \/>\n<meta property=\"og:description\" content=\"Explore methods to import OLM files to Office 365. Find the best solution to easily migrate OLM files to Office 365.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/\" \/>\n<meta property=\"og:site_name\" content=\"Aryson Technologies Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-11T06:03:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-11T06:03:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2023\/01\/Migrate-OLM-Emails-to-Office-365.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=\"Harshita Sachdeva\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Harshita Sachdeva\" \/>\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.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/\"},\"author\":{\"name\":\"Harshita Sachdeva\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#\\\/schema\\\/person\\\/13ee1c45c86e1a77e4dce0851538ad4f\"},\"headline\":\"Migrate \\\/ Import OLM Files to Office 365 \u2013 Complete Guide\",\"datePublished\":\"2026-08-11T06:03:14+00:00\",\"dateModified\":\"2026-08-11T06:03:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/\"},\"wordCount\":1419,\"publisher\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/Migrate-OLM-Emails-to-Office-365.webp\",\"articleSection\":[\"Email Migration\"],\"inLanguage\":\"en-US\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/\",\"name\":\"Migrate OLM Emails to Office 365: Migration for Enterprise\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/01\\\/Migrate-OLM-Emails-to-Office-365.webp\",\"datePublished\":\"2026-08-11T06:03:14+00:00\",\"dateModified\":\"2026-08-11T06:03:16+00:00\",\"description\":\"Explore methods to import OLM files to Office 365. 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With a meticulous, reader-first approach, I break down complex technical processes into simple, actionable content - helping IT professionals and decision-makers tackle challenges efficiently.\",\"sameAs\":[\"https:\\\/\\\/in.linkedin.com\\\/in\\\/harshita-sachdeva-028156292\"],\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/author\\\/harshita\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427704544\",\"position\":1,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427704544\",\"name\":\"Q. 1 Can I import OLM files directly into Office 365?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: No. Microsoft 365 does not provide a native option to import OLM files directly. You can either use Outlook for Mac as an intermediate step or use the Aryson OLM Converter Tool to migrate OLM files directly to an Office 365 mailbox.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427896259\",\"position\":2,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427896259\",\"name\":\"Q. 2. Does the Aryson OLM Converter Tool migrate all mailbox items to Office 365?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The Aryson OLM Converter Tool imports emails, attachments, contacts, calendars, tasks, notes, journals, and other Outlook mailbox items to Office 365 while preserving the original folder hierarchy.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427896826\",\"position\":3,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427896826\",\"name\":\"Q. 3. Can I migrate multiple OLM files to Office 365 in a single process?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The Aryson OLM Converter Tool supports bulk migration, allowing users to add multiple OLM files and import them into one or multiple Office 365 accounts without repeating the process.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427897442\",\"position\":4,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427897442\",\"name\":\"Q. 4. Does the tool maintain folder hierarchy and email properties during migration?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The software preserves folder structure, email formatting, sender and recipient details, timestamps, attachments, and other mailbox properties throughout the migration.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427899434\",\"position\":5,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427899434\",\"name\":\"Q. 5. Can I import only selected emails from an OLM file?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The Aryson OLM Converter Tool includes advanced filters such as date range, folder selection, and duplicate email removal, allowing users to migrate only the required mailbox data.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427900026\",\"position\":6,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427900026\",\"name\":\"Q. 6. Is Outlook for Mac required to import OLM files into Office 365?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: No. When using the Aryson OLM Converter Tool, Outlook for Mac is not required. The software reads OLM files directly and imports them into Office 365.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427900594\",\"position\":7,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427900594\",\"name\":\"Q. 7. Does the tool support Microsoft 365 modern authentication?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The Aryson OLM Converter Tool supports secure OAuth authentication for Microsoft 365, ensuring a safe and reliable connection during the migration process.<br>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427901098\",\"position\":8,\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/import-olm-file-to-office-365\\\/#faq-question-1786427901098\",\"name\":\"Q. 8. Can the Aryson OLM Converter Tool migrate large OLM files without data loss?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ans: Yes. The software is designed to process large OLM files while maintaining data integrity. 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With a meticulous, reader-first approach, I break down complex technical processes into simple, actionable content - helping IT professionals and decision-makers tackle challenges efficiently.","sameAs":["https:\/\/in.linkedin.com\/in\/harshita-sachdeva-028156292"],"url":"https:\/\/www.arysontechnologies.com\/blog\/author\/harshita\/"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427704544","position":1,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427704544","name":"Q. 1 Can I import OLM files directly into Office 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: No. Microsoft 365 does not provide a native option to import OLM files directly. You can either use Outlook for Mac as an intermediate step or use the Aryson OLM Converter Tool to migrate OLM files directly to an Office 365 mailbox.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427896259","position":2,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427896259","name":"Q. 2. Does the Aryson OLM Converter Tool migrate all mailbox items to Office 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The Aryson OLM Converter Tool imports emails, attachments, contacts, calendars, tasks, notes, journals, and other Outlook mailbox items to Office 365 while preserving the original folder hierarchy.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427896826","position":3,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427896826","name":"Q. 3. Can I migrate multiple OLM files to Office 365 in a single process?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The Aryson OLM Converter Tool supports bulk migration, allowing users to add multiple OLM files and import them into one or multiple Office 365 accounts without repeating the process.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427897442","position":4,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427897442","name":"Q. 4. Does the tool maintain folder hierarchy and email properties during migration?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The software preserves folder structure, email formatting, sender and recipient details, timestamps, attachments, and other mailbox properties throughout the migration.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427899434","position":5,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427899434","name":"Q. 5. Can I import only selected emails from an OLM file?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The Aryson OLM Converter Tool includes advanced filters such as date range, folder selection, and duplicate email removal, allowing users to migrate only the required mailbox data.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427900026","position":6,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427900026","name":"Q. 6. Is Outlook for Mac required to import OLM files into Office 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: No. When using the Aryson OLM Converter Tool, Outlook for Mac is not required. The software reads OLM files directly and imports them into Office 365.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427900594","position":7,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427900594","name":"Q. 7. Does the tool support Microsoft 365 modern authentication?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The Aryson OLM Converter Tool supports secure OAuth authentication for Microsoft 365, ensuring a safe and reliable connection during the migration process.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427901098","position":8,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427901098","name":"Q. 8. Can the Aryson OLM Converter Tool migrate large OLM files without data loss?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. The software is designed to process large OLM files while maintaining data integrity. It securely migrates mailbox data without modifying the original OLM file.<br>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427901651","position":9,"url":"https:\/\/www.arysontechnologies.com\/blog\/import-olm-file-to-office-365\/#faq-question-1786427901651","name":"Q. 9. Can I preview OLM mailbox data before importing it into Office 365?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans: Yes. 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