{"id":18202,"date":"2025-06-03T10:01:08","date_gmt":"2025-06-03T10:01:08","guid":{"rendered":"https:\/\/www.sysinfotools.com\/blog\/?p=18202"},"modified":"2025-06-03T10:01:09","modified_gmt":"2025-06-03T10:01:09","slug":"open-ost-file-on-another-computer","status":"publish","type":"post","link":"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/","title":{"rendered":"How to Open OST File on Another Computer (Mac &#038; Windows)"},"content":{"rendered":"<div class=\"block_sum\">\n  <p><strong>Summary:<\/strong> Outlook Exchange files, or OST files, store data offline and are a copy of all the Outlook data present on the Exchange. However, sometimes users have to change the system, need data on a different computer, or encounter file damage. In all cases, choosing to open OST file on another computer is an ideal way to keep continuous access to files. This blog thus describes the same and also suggests an <a href=\"https:\/\/www.sysinfotools.com\/ost-to-pst-converter.php\"><strong>OST to PST Converter Tool<\/strong><\/a> for quick data export with guaranteed security.<\/p>\n<div class=\"blog-btn\">\n<ul id=\"db-btn-container\" class=\"nav nav-tabs mt-4\" role=\"tablist\">\n<li class=\"nav-item\"><a id=\"windows-tab\" class=\"nav-link active\" role=\"tab\" href=\"#windows\" data-toggle=\"tab\" aria-controls=\"windows\" aria-selected=\"true\"><i class=\"icon-windows\"><\/i> Windows<\/a><\/li>\n<li class=\"nav-item\"><a id=\"mac-tab\" class=\"nav-link\" role=\"tab\" href=\"#mac\" data-toggle=\"tab\" aria-controls=\"mac\" aria-selected=\"false\"><i class=\"icon-apple\"><\/i> Mac<\/a><\/li>\n<\/ul>\n<div id=\"db-btn-containerContent\" class=\"tab-content my-2\">\n<div id=\"windows\" class=\"tab-pane fade active show\" role=\"tabpanel\" aria-labelledby=\"windows-tab\"><a class=\"sum-d-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/SysInfoTools-OST-to-PST-Converter-Demo.exe\"><i class=\"icon-windows\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/buynow\/ost-to-pst-converter.php\" target=\"_blank\" rel=\"noopener\"><i class=\"icon icon-basket\"><\/i> Buy Now<\/a><\/div>\n<div id=\"mac\" class=\"tab-pane fade\" role=\"tabpanel\" aria-labelledby=\"mac-tab\"><a class=\"sum-d-btn\" href=\"https:\/\/www.sysinfotools.com\/demo-version\/Sysinfo-Mac-OST-to-PST-for-Mac.dmg\"><i class=\"icon-apple\"><\/i> Download<\/a> <a class=\"sum-b-btn\" href=\"https:\/\/www.sysinfotools.com\/mac\/ost-to-pst-converter\/buy.php\" target=\"_blank\" rel=\"noopener\"><i class=\"icon icon-basket\"><\/i> Buy Now<\/a><\/div>\n<\/div><\/div><\/div>\n<p>But wait, why are we doing this exactly? What&rsquo;s the purpose here, the driving factor to transfer OST file to another computer?<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Move_OST_File_to_New_Computer_Is_it_Possible\" >Move OST File to New Computer: Is it Possible?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Methods_Available_to_Open_OST_File_on_Another_Computer\" >Methods Available to Open OST File on Another Computer<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Open_Outlook_OST_File_on_Another_Computer_Free\" >Open Outlook OST File on Another Computer Free<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Optimal_Utility_to_Open_OST_File_on_Another_Computer\" >Optimal Utility to Open OST File on Another Computer<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Manual_Method_vs_Automated_Tool_Comparison\" >Manual Method vs. Automated Tool Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Move_OST_File_to_New_Computer_Is_it_Possible\"><\/span>Move OST File to New Computer: Is it Possible?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Like Outlook PST files, OST (Offline Storage Table) files also contain the same Outlook mailbox items. It generates when Outlook connects with Microsoft Exchange and maintains the data on a local storage device. These can also be created when connected to an IMAP Server. Users can easily work with it without internet connectivity. But here&rsquo;s a catch.<\/p>\n<p><em>&ldquo;OST files are bound with the Outlook profile and the system they were created. Just copying them to another computer won&rsquo;t help you out. It is because Outlook won&rsquo;t recognize the file and display its contents; instead, it&rsquo;ll show an error.&rdquo;<\/em><\/p>\n<p>Still, some reasons prevail to open Outlook OST file on another computer, such as:<\/p>\n<ul>\n<li>Change of workplace<\/li>\n<li>Upgrading Outlook<\/li>\n<li>Creating OST Backup<\/li>\n<li>Legal or Forensic review of email<\/li>\n<li>Recovery of data<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Methods_Available_to_Open_OST_File_on_Another_Computer\"><\/span>Methods Available to Open OST File on Another Computer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As we read above that OST files, even if directly transferred to another computer, cannot be viewed. So, better to first <a href=\"https:\/\/www.sysinfotools.com\/blog\/convert-ost-file-to-pst\/\"><strong>convert OST to PST<\/strong><\/a>, Outlook&rsquo;s most compatible file format that opens on both Mac and Windows. You can either perform this manually for free or with a dedicated tool. The guide for the processes is mentioned below.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Open_Outlook_OST_File_on_Another_Computer_Free\"><\/span>Open Outlook OST File on Another Computer Free<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Follow these steps to briefly save the OST file as a PST on any Mac or Windows OS:<\/p>\n<ol>\n<li>First, locate the<strong> OST<\/strong> file on your source system.<\/li>\n<p>(In Account Settings, under Data Files, select OST and press Open File Location.)<\/p>\n<li>Then, ensure that it is added within your <strong>Outlook<\/strong> profile; if not, import it.<\/li>\n<li>Next, open the <strong>Import\/Export<\/strong> dialog from the Open and Export.<\/li>\n<li>Further, press <strong>Export to a file<\/strong>. Click on <strong>Next<\/strong> and &gt;&gt; opt <strong>PST<\/strong>.<\/li>\n<li>Again, click <strong>Next<\/strong> and choose the <strong>OST<\/strong> file or entire folder from the tree list.<\/li>\n<li>Afterward, click <strong>Next<\/strong> and <strong>browse<\/strong> to give the storage location for PST.<\/li>\n<li>Finally, hit <strong>Finish<\/strong>, and the OST changes to PST, which can now be moved to a new computer.<\/li>\n<\/ol>\n<p><strong>Note:<\/strong> For the transfer, you can use any external device or cloud storage, like Gmail, etc. Access it in Outlook again via Import\/Export.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Optimal_Utility_to_Open_OST_File_on_Another_Computer\"><\/span>Optimal Utility to Open OST File on Another Computer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Since the manual method is a one-by-one file transfer solution, it becomes lengthy and time-consuming. So, why not use the <strong>OST to PST Converter Tool<\/strong>, i.e., an explicit tool to automatically convert data into multiple compatible formats with ease? The tool is highly secure and maintains complete data integrity, structure, and formatting. Additionally, it is perfect for both novice and techies to run the simple utility on all Mac and Windows OS versions.<\/p>\n<p><strong>How to Transfer Outlook Emails to New Computer Mac?<\/strong><\/p>\n<ol>\n<li>Download and launch the <strong>OST File to PST Converter<\/strong> Software.<\/li>\n<li>Then, with any of the radio options, proceed to it with <strong>Next<\/strong>.<\/li>\n<li>Add your <strong>OSTs<\/strong> into the software&rsquo;s wizard and click <strong>Next<\/strong>.<\/li>\n<li>Further, assess and pick up the folders needed from the tree.<\/li>\n<li>Click <strong>Next<\/strong> and opt for <strong>PST<\/strong> format. If needed, you can choose others.<\/li>\n<li>At last, set the target computer location and hit the <strong>Convert<\/strong>.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manual_Method_vs_Automated_Tool_Comparison\"><\/span>Manual Method vs. Automated Tool Comparison<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Features<\/strong><\/td><td><strong>Manual Method<\/strong><\/td><td><strong>Professional Tool<\/strong><\/td><\/tr><tr><td>Process<\/td><td>Tiring and takes Time<\/td><td>Automatic and Quick<\/td><\/tr><tr><td>Data Security<\/td><td>Low<\/td><td>High<\/td><\/tr><tr><td>Bulk Conversion<\/td><td>Not Possible<\/td><td>Possible &amp; no size limits<\/td><\/tr><tr><td>Outlook Installation<\/td><td>Needed<\/td><td>No Need<\/td><\/tr><tr><td>Customization Options<\/td><td>Limited<\/td><td>Many features available<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>Apart from these, the professional tool to move OST file to new computer also has a demo version. With it, you can perform a few conversions for free without manual hassle.<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Opening OST file on another computer is a major thing needed due to the limitation of OST accessibility. It is restricted to local use and cannot work outside the particular MS Outlook environment. This guide helped with two possible solutions that are easy to perform and give the desired results. However, for the manual method, you need technical knowledge, and there are cons as discussed above. Whereas, the professional tool is the best bet in all situations.<\/p>\n<h4 class=\"faq_heading\">FAQ<\/h4>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1748941258936\"><strong class=\"schema-faq-question\">Q. How to move OST files to another computer?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans-<\/strong> You can move Outlook OST file to new PC with an external drive like USB or via cloud transfer with Gmail. Since any direct import is not possible and anyhow you have to convert OST to PST.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1748941284830\"><strong class=\"schema-faq-question\">Q. Can I move OST files to another hard drive?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans-<\/strong> Yes. You can store OSTs on a different hard drive, but they are of no use unless you convert them into another compatible format like PST, MBOX, CSV, or others. For it, the best way is to use the OST to PST Conversion Tool.\u00a0<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1748941330398\"><strong class=\"schema-faq-question\">Q. Does this software support Windows 11?<\/strong> <p class=\"schema-faq-answer\"><strong>Ans-<\/strong> Yes. The above-given OST to PST File Converter Tool works smoothly on all Windows versions, including the latest 11.<\/p> <\/div> <\/div>\n\n\n\n<p><\/p>\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;18202&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Open OST File on Another Computer (Mac \\u0026amp; Windows)&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Rate this post<\/span>\n    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Outlook Exchange files, or OST files, store data offline and are a copy of all the Outlook data present<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/\">Read More<\/a><\/p>\n","protected":false},"author":15,"featured_media":18208,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1588],"tags":[],"class_list":["post-18202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ms-outlook"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Open OST File on Another Computer (Mac &amp; Windows)<\/title>\n<meta name=\"description\" content=\"Do you want to open OST file on another computer? Check out this blog and learn how to move OST files to Windows or Mac PC.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sysinfotools.com\/blog\/open-ost-file-on-another-computer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Open OST File on Another Computer (Mac &amp; Windows)\" \/>\n<meta property=\"og:description\" content=\"Do you want to open OST file on another computer? 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