{"id":1115,"date":"2026-04-22T13:42:40","date_gmt":"2026-04-22T12:42:40","guid":{"rendered":"https:\/\/www.recovery-tools.org\/techtalk\/?p=1115"},"modified":"2026-04-22T13:42:40","modified_gmt":"2026-04-22T12:42:40","slug":"how-to-rebuild-ost-in-outlook","status":"publish","type":"post","link":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html","title":{"rendered":"How to Rebuild an OST File in Outlook 2021, 2019, 2016, 2013, 2010?"},"content":{"rendered":"<p style=\"text-align: justify;\">In order to rebuild a new OST file, you must delete and then recreate the OST file to ensure that communication activity continues if the OST file is corrupted for known or unknown reasons. You can create or restore OST files to access lost data. Instructions for creating a new OST file in each version of Outlook are available here.<\/p>\n<p style=\"text-align: justify;\">In older versions of Outlook, <strong>Scanost.exe<\/strong> was used to <a href=\"https:\/\/www.recovery-tools.org\/techtalk\/repair-ost-file-in-outlook-solution.html\"><strong>repair OST file in Outlook 2007<\/strong><\/a> and lower versions.<\/p>\n<h2>Expert Solution to Fix OST File Corruption Error in Outlook<\/h2>\n<p style=\"text-align: justify;\">In earlier versions of Microsoft Outlook application, <strong>ScanOST.exe<\/strong> is available to check the inconsistencies and error among OST files but it is only recommended for lower level corruption. In the recent versions, this utility is not available and scanning OST files using <strong>ScanPST.exe<\/strong> takes longer than expected. Therefore, the Offline Storage Tables can be recovered by using extraneous <a href=\"https:\/\/www.recovery-tools.org\/exchange-ost\/\" target=\"_blank\"><strong>Exchange OST Recovery Tool<\/strong><\/a> that helps recuperating all healthy data presented in the OST and export to a healthy Outlook data file.<\/p>\n<p class=\"text-center mr-2\">\n<a class=\"btn btn-success btn-lg btn-md-block p-2 text-white\" href=\"https:\/\/www.recovery-tools.org\/download\/SYS1O2S4T\/95\" rel=\"nofollow noreferrer\" onclick=\"gtag('event', 'Trackingbutton', {'event_category': 'OST Recovery Download','event_action': 'Click','event_label': 'Rebuild OST File in Outlook'});\">Download Now<\/a><br \/>\n<a class=\"btn btn-lg btn-md-block text-white\" style=\"background: #ff6800; color: #fff !important;\" href=\"https:\/\/www.recovery-tools.org\/buy\/SYS1O2S4T\/95\" target=\"_blank\" rel=\"nofollow noreferrer\" onclick=\"gtag('event', 'Trackingbutton', {'event_category': 'OST Recovery Purchase','event_action': 'Click','event_label': 'Rebuild OST File in Outlook'});\"> Purchase Now<\/a><\/p>\n<p><a href=\"https:\/\/www.recovery-tools.org\/guide\/SYS1O2S4T\/95\" target=\"_blank\" rel=\"nofollow noreferrer\"><strong>Step by Step Process to Operate this Software<\/strong><\/a>\n<\/p>\n<h2>How to Delete an OST File in Outlook?<\/h2>\n<p style=\"text-align: justify;\">Follow the step by step guide to delete and OST file in Outlook:<\/p>\n<ul class=\"list-check\">\n<li><strong>Exit Outlook<\/strong> application<\/li>\n<li>Go to <strong>&#8216;Start&#8217;<\/strong> menu and then select <strong>&#8216;Run<\/strong>&#8216;\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/run-rebuild-ost-file.png\" width=\"400\" height=\"97\" alt=\"Run\" class=\"img-responsive\" \/><\/li>\n<li>The <strong>&#8216;Run&#8217;<\/strong> box will appear, in the <strong>&#8216;Open&#8217;<\/strong> text box type:\n<p>    <strong>&#8220;%LOCALAPPDATA%\\Microsoft\\Outlook\\&#8221;<\/strong><\/p>\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/enter-command-run-rebuild-ost.png\" width=\"419\" height=\"218\" alt=\"Path\" class=\"img-responsive\" \/><\/li>\n<li>Explorer window will appear with the list of Outlook files. Locate the OST file that needs to be deleted <\/li>\n<li>Delete the file by following either of the given alternatives:\n<ul>\n<li>Click on the file and then press the <strong>&#8216;Delete&#8217;<\/strong> button from the keyboard<\/li>\n<li>Select the file and select <strong>&#8216;Delete&#8217;<\/strong> option available within <strong>&#8216;Organize&#8217;<\/strong> option in Windows Explorer.\n<p>        <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/select-organize-rebuild-ost.png\" width=\"193\" height=\"296\" alt=\"Rebuild an OST File in Outlook\" class=\"img-responsive\" \/> <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>How to Re-create OST File in Outlook?<\/h3>\n<p style=\"text-align: justify;\">The next section describes the detailed procedure for creating a new OST file for different versions of Microsoft Outlook. Here are the steps for creating a new OST file one by one for each version of Outlook. Click a specific link to be redirected to the required steps.<\/p>\n<ul class=\"list-check\">\n<li><a href=\"#recreate-ost-file-in-outlook-2007\"><strong>How to Recreate OST File in Outlook 2007<\/strong><\/a><\/li>\n<li><a href=\"#how-to-recreate-ost-file-in-outlook-2010-2013\"><strong>Steps to Recreate OST File in Outlook 2010 &#038; 2013<\/strong><\/a><\/li>\n<li><a href=\"#create-ost-file-in-outlook-2003-2002\"><strong>Process to Create OST File in Outlook 2003 &#038; 2002<\/strong><\/a><\/li>\n<\/ul>\n<h3 id=\"recreate-ost-file-in-outlook-2007\">How to Recreate OST File in Outlook 2007?<\/h3>\n<ul class=\"list-check\">\n<li>In the MS Outlook application, open <strong>&#8216;Tools&#8217;<\/strong> menu\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/outlook-2007-tools-option.png\" width=\"628\" height=\"78\" alt=\"Tools\" class=\"img-responsive\" \/><\/li>\n<li>In the options available under <strong>&#8216;Tool&#8217;<\/strong> menu, go to <strong>&#8216;Account Settings&#8217;<\/strong>\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/account-settings-option-outlook-2007.png\" width=\"232\" height=\"337\" alt=\"Settings\" class=\"img-responsive\" \/><\/li>\n<li>In the Account Settings window double-click on <strong>&#8216;Microsoft Exchange&#8217;<\/strong>>\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/ms-exchange-option-outlook-2007.png\" width=\"628\" height=\"514\" alt=\"Rebuild an OST File in Outlook 2016\" class=\"img-responsive\" \/><\/li>\n<li><strong>&#8216;Change E-mail Account&#8217;<\/strong> window will appear, click on <strong>&#8216;More Settings&#8217;<\/strong> button\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/more-settings-outlook-2007.png\" width=\"628\" height=\"474\" alt=\"More Settings\" class=\"img-responsive\" \/><\/li>\n<li>In the then appeared window, click on the <strong>&#8216;Advanced&#8217;<\/strong> tab\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/advanced-option-outlook-2007.png\" width=\"359\" height=\"75\" alt=\"Advanced\" class=\"img-responsive\" \/><\/li>\n<li>Click on <strong>&#8216;Offline Folder File Settings&#8217;<\/strong> and then in <strong>&#8216;File&#8217;<\/strong> box, type the accurate path of the file that is required to set as OST file\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/offline-folder-file-setting-outlook-2007.png\" width=\"359\" height=\"444\" alt=\"Rebuild an OST File in Outlook 2019\" class=\"img-responsive\" \/><\/li>\n<li>Then click on the <strong>&#8216;OK&#8217;<\/strong> button<\/li>\n<li>Default name for the OST file is set as <strong>&#8216;Outlook.ost&#8217;<\/strong>. If the file with same name already exists, you might prompt for renaming<\/li>\n<li>Click on the <strong>&#8216;OK&#8217;<\/strong> button and then click <strong>&#8216;Finish&#8217;.<\/strong><\/li>\n<\/ul>\n<h3 id=\"how-to-recreate-ost-file-in-outlook-2010-2013\">How to Recreate OST File in Outlook 2010 &#038; Outlook 2013?<\/h3>\n<ul class=\"list-check\">\n<li>In MS Outlook application click on the <strong>File<\/strong> tab available on ribbon\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/file-menu-bar-outlook-2010.png\" width=\"439\" height=\"114\" alt=\"Rebuild an OST File in Outlook 2013\" class=\"img-responsive\"><\/li>\n<li>Then select <strong>&#8216;Info&#8217;<\/strong> and click on <strong>&#8216;Account Settings&#8217;<\/strong> option available in the right pane\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/info-account-setting-outlook-2010.png\" width=\"628\" height=\"251\" alt=\"AC Settings\" class=\"img-responsive\" \/><\/li>\n<li>Further, <strong>Go to Step 3<\/strong> and repeat it till Step 9 as mentioned for MS Outlook 2007.<\/li>\n<\/ul>\n<h4 id=\"create-ost-file-in-outlook-2003-2002\">How to Create An OST File in Outlook 2003 &#038; Outlook 2002<\/h4>\n<ul class=\"list-check\">\n<li>From main menu bar, select <strong>&#8216;Tools&#8217;<\/strong> and then click on the <strong>&#8216;E-mail Accounts&#8217;<\/strong>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/tools-option-outlook-2003.png\" width=\"428\" height=\"318\" alt=\"Email Accounts\" class=\"img-responsive\" \/><\/li>\n<li>Select <strong>&#8216;View or change existing mail accounts&#8217;<\/strong> and then click on the <strong>&#8216;Next&#8217;<\/strong> button\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/email-accounts-outlook-2003.png\" width=\"669\" height=\"379\" alt=\"Next\" class=\"img-responsive\" \/><\/li>\n<li>Next, click on <strong>&#8216;Microsoft Exchange Server&#8217;<\/strong> in the box associated to <strong>&#8216;Outlook processes email for these accounts in the following order&#8217;<\/strong> and next click on the <strong>&#8216;Change&#8217;<\/strong> button\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/email-account-options-outlook-2003.png\" width=\"337\" height=\"330\" alt=\"How to Rebuild an OST File in Outlook\" class=\"img-responsive\" \/><\/li>\n<li>Further, click on <strong>&#8216;More Settings&#8217;<\/strong> box and then select <strong>&#8216;Advanced<\/strong>&#8216; tab<\/li>\n<li>Select <strong>&#8216;Offline Folder File Settings&#8217;<\/strong><\/li>\n<li>Afterwards, type the source path of the desired file that needs to be set as OST in <strong>&#8216;File&#8217;<\/strong> box. Default name of the file will be <strong>&#8216;Outlook.ost&#8217;<\/strong> and this requires to be reset as per requirement<\/li>\n<li>Click on the <strong>&#8216;OK&#8217;<\/strong> button; click on <strong>&#8216;Next&#8217;<\/strong> and finally click on <strong>&#8216;Finish&#8217;<\/strong>.<\/li>\n<\/ul>\n<h4>How to Restore OST File in Outlook 2019, 2016, 2013?<\/h4>\n<p style=\"text-align: justify;\">After creating a new OST file with different versions of Microsoft Outlook, you need to check the sync status between Outlook and Exchange through the OST Consistency Checker.<\/p>\n<ul class=\"list-check\">\n<li><a href=\"#how-to-restore-ost-file-in-outlook-2013-2010\"><strong>Restore OST File in Outlook 2010, 2013, 2016<\/strong><\/a><\/li>\n<li><a href=\"#restore-outlook-2007-ost-file\"><strong>How to Restore OST File in Outlook 2007<\/strong><\/a><\/li>\n<\/ul>\n<p>In a recent update from Microsoft, <strong>it recommends that for restoring OST<\/strong>, delete the file and then re-download it from Server.<\/p>\n<p>In case, if the OST is not synched with Server and contains local data, then it is suggested to backup OST file and then delete the existing OST file. Later use backup file in Outlook. If any duplicate data exists, it can be excluded from the file during export.<\/p>\n<p>Following procedure can be implemented to backup OST file:<\/p>\n<h4>How to Restore OST File in Outlook 2013 &#038; Outlook 2010<\/h4>\n<ul class=\"list-check\">\n<li>Go to <strong>&#8216;File&#8217;<\/strong> tab, click on <strong>&#8216;Open&#8217;<\/strong> and then select on <strong>&#8216;Import&#8217;<\/strong>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/open-import-outlook-2010.png\" width=\"547\" height=\"300\" alt=\"Import\" class=\"img-responsive\" \/><\/li>\n<li>In the then appeared window, click on <strong>&#8216;Import from another program or file&#8217;<\/strong> and click <strong>&#8216;Next&#8217;<\/strong>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/import-export-wizard-outlook-2010.png\" width=\"451\" height=\"345\" alt=\"Import from a file\" class=\"img-responsive\" \/><\/li>\n<li>Select the option <strong>&#8216;Outlook Data File (.pst)&#8217;<\/strong>, and then select <strong>&#8216;Next&#8217;<\/strong>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/import-file-outlook-2010.png\" width=\"453\" height=\"346\" alt=\"Data File\" class=\"img-responsive\" \/><\/li>\n<li>Click on the <strong>&#8216;Browse&#8217;<\/strong> button and locate the file\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/import-outlook-data-file-outlook-2010.png\" width=\"456\" height=\"96\" alt=\"How to Rebuild an OST File in Outlook 2010\" class=\"img-responsive\" \/><\/li>\n<li>Select an appropriate option among the given alternatives and select <strong>&#8216;Next&#8217;<\/strong>\n<p>  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/import-outlook-file-outlook-2010.png\" width=\"451\" height=\"338\" alt=\"Next Step\" class=\"img-responsive\" \/><\/li>\n<li>Select the destination folder to store the file and click <strong>&#8216;Next&#8217;<\/strong><\/li>\n<li>Next, click on <strong>&#8216;Finish&#8217;<\/strong><\/li>\n<\/ul>\n<p><strong>ScanPST.exe<\/strong> can still be used to check the logical as well as physical inconsistencies among OST files. But the <a href=\"https:\/\/www.recovery-tools.org\/techtalk\/how-to-use-outlook-inbox-repair-tool.html\" target=\"_blank\"><strong>Outlook Inbox Repair Tool<\/strong><\/a> might take longer for scanning the Offline Storage folders. <\/p>\n<p><strong>Note:<\/strong> It is highly recommended to backup OST files before executing any of the given procedures.<\/p>\n<h4>How to Restore OST File in Outlook 2007?<\/h4>\n<ul class=\"list-check\">\n<li>Exit Outlook and Open <strong>SCANOST<\/strong> by following the given path:\n<p>  <strong>&#8220;C:\\Program Files\\Microsoft Office\\Office12&#8221;<\/strong><\/li>\n<li>Here, if Outlook application is opened, it will prompt to close it for proceeding further:\n<p>    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/images\/ost-integrity-option.png\" width=\"292\" height=\"159\" alt=\"How to Rebuild an OST File in Outlook 2013\" class=\"img-responsive\" \/><\/li>\n<li>In <strong>&#8216;Profile Name&#8217;<\/strong> select the appropriate profile within which the OST exists<\/li>\n<li>If it prompts and ask you to <strong>&#8216;Work Offline&#8217;<\/strong>; or <strong>&#8216;Connect&#8217;<\/strong>, select <strong>&#8216;Connect&#8217;<\/strong><\/li>\n<li>Select the appropriate options and then click on <strong>&#8216;Begin Scan&#8217;<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In order to rebuild a new OST file, you must delete and then recreate the OST file to ensure that <\/p>\n","protected":false},"author":3,"featured_media":1116,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,37],"tags":[],"class_list":["post-1115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microsoft-outlook","category-outlook-ost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Rebuild an OST File in Microsoft Outlook 2021?<\/title>\n<meta name=\"description\" content=\"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.\" \/>\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.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Rebuild an OST File in Microsoft Outlook 2021?\" \/>\n<meta property=\"og:description\" content=\"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html\" \/>\n<meta property=\"og:site_name\" content=\"Solution for Different Technical Issues\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-22T12:42:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png\" \/>\n\t<meta property=\"og:image:width\" content=\"450\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anjali Rawat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Anjali Rawat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html\"},\"author\":{\"name\":\"Anjali Rawat\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/#\\\/schema\\\/person\\\/3072ea650b6d39f98664bc4fd344fcc2\"},\"headline\":\"How to Rebuild an OST File in Outlook 2021, 2019, 2016, 2013, 2010?\",\"datePublished\":\"2026-04-22T12:42:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html\"},\"wordCount\":997,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Rebuild-an-OST-File-in-Outlook.png\",\"articleSection\":[\"Microsoft Outlook\",\"Outlook OST\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html\",\"url\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html\",\"name\":\"How to Rebuild an OST File in Microsoft Outlook 2021?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Rebuild-an-OST-File-in-Outlook.png\",\"datePublished\":\"2026-04-22T12:42:40+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/#\\\/schema\\\/person\\\/3072ea650b6d39f98664bc4fd344fcc2\"},\"description\":\"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#primaryimage\",\"url\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Rebuild-an-OST-File-in-Outlook.png\",\"contentUrl\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Rebuild-an-OST-File-in-Outlook.png\",\"width\":450,\"height\":300,\"caption\":\"Rebuild an OST File in Outlook\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/how-to-rebuild-ost-in-outlook.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Rebuild an OST File in Outlook 2021, 2019, 2016, 2013, 2010?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/#website\",\"url\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/\",\"name\":\"Solution for Different Exchange Issues\",\"description\":\"RecoveryTools\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/#\\\/schema\\\/person\\\/3072ea650b6d39f98664bc4fd344fcc2\",\"name\":\"Anjali Rawat\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g\",\"caption\":\"Anjali Rawat\"},\"description\":\"A Technical Analyst specializing in Outlook recovery, PST repair solutions, and email data management. I focus on solving real-world technical challenges related to corrupted, inaccessible, or oversized Outlook data files, helping users restore critical information without disruption. With hands-on experience in analysing complex data issues, I provide clear and practical solutions that simplify email recovery processes and enhance overall system efficiency. My work revolves around guiding professionals and businesses in maintaining data integrity, minimizing downtime, and choosing the right tools for secure and reliable Outlook management.\",\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/anjalirawat3003\\\/\",\"https:\\\/\\\/www.recovery-tools.org\\\/asset\\\/img\\\/anjali.png\"],\"url\":\"https:\\\/\\\/www.recovery-tools.org\\\/techtalk\\\/author\\\/anjali\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Rebuild an OST File in Microsoft Outlook 2021?","description":"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html","og_locale":"en_GB","og_type":"article","og_title":"How to Rebuild an OST File in Microsoft Outlook 2021?","og_description":"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.","og_url":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html","og_site_name":"Solution for Different Technical Issues","article_published_time":"2026-04-22T12:42:40+00:00","og_image":[{"width":450,"height":300,"url":"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png","type":"image\/png"}],"author":"Anjali Rawat","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Anjali Rawat","Estimated reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#article","isPartOf":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html"},"author":{"name":"Anjali Rawat","@id":"https:\/\/www.recovery-tools.org\/techtalk\/#\/schema\/person\/3072ea650b6d39f98664bc4fd344fcc2"},"headline":"How to Rebuild an OST File in Outlook 2021, 2019, 2016, 2013, 2010?","datePublished":"2026-04-22T12:42:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html"},"wordCount":997,"commentCount":0,"image":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#primaryimage"},"thumbnailUrl":"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png","articleSection":["Microsoft Outlook","Outlook OST"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html","url":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html","name":"How to Rebuild an OST File in Microsoft Outlook 2021?","isPartOf":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#primaryimage"},"image":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#primaryimage"},"thumbnailUrl":"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png","datePublished":"2026-04-22T12:42:40+00:00","author":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/#\/schema\/person\/3072ea650b6d39f98664bc4fd344fcc2"},"description":"Rebuild Outlook 2021, 2019 OST file by 3 methods. These solutions are Delete OST file, re-create and restore OST file.","breadcrumb":{"@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#primaryimage","url":"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png","contentUrl":"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2026\/04\/Rebuild-an-OST-File-in-Outlook.png","width":450,"height":300,"caption":"Rebuild an OST File in Outlook"},{"@type":"BreadcrumbList","@id":"https:\/\/www.recovery-tools.org\/techtalk\/how-to-rebuild-ost-in-outlook.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.recovery-tools.org\/techtalk"},{"@type":"ListItem","position":2,"name":"How to Rebuild an OST File in Outlook 2021, 2019, 2016, 2013, 2010?"}]},{"@type":"WebSite","@id":"https:\/\/www.recovery-tools.org\/techtalk\/#website","url":"https:\/\/www.recovery-tools.org\/techtalk\/","name":"Solution for Different Exchange Issues","description":"RecoveryTools","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.recovery-tools.org\/techtalk\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Person","@id":"https:\/\/www.recovery-tools.org\/techtalk\/#\/schema\/person\/3072ea650b6d39f98664bc4fd344fcc2","name":"Anjali Rawat","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b246c10037d328b9c258a6da848e42695c48179905ece6bb443a79006c55519f?s=96&d=mm&r=g","caption":"Anjali Rawat"},"description":"A Technical Analyst specializing in Outlook recovery, PST repair solutions, and email data management. I focus on solving real-world technical challenges related to corrupted, inaccessible, or oversized Outlook data files, helping users restore critical information without disruption. With hands-on experience in analysing complex data issues, I provide clear and practical solutions that simplify email recovery processes and enhance overall system efficiency. My work revolves around guiding professionals and businesses in maintaining data integrity, minimizing downtime, and choosing the right tools for secure and reliable Outlook management.","sameAs":["https:\/\/www.linkedin.com\/in\/anjalirawat3003\/","https:\/\/www.recovery-tools.org\/asset\/img\/anjali.png"],"url":"https:\/\/www.recovery-tools.org\/techtalk\/author\/anjali"}]}},"_links":{"self":[{"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/posts\/1115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/comments?post=1115"}],"version-history":[{"count":5,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/posts\/1115\/revisions"}],"predecessor-version":[{"id":1146,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/posts\/1115\/revisions\/1146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/media\/1116"}],"wp:attachment":[{"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/media?parent=1115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/categories?post=1115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recovery-tools.org\/techtalk\/wp-json\/wp\/v2\/tags?post=1115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}