{"id":1027,"date":"2018-08-06T12:21:47","date_gmt":"2018-08-06T12:21:47","guid":{"rendered":"https:\/\/www.arysontechnologies.com\/blog\/?p=1027"},"modified":"2024-07-03T09:29:04","modified_gmt":"2024-07-03T09:29:04","slug":"fix-outlook-is-using-an-old-copy-of-your-outlook-data-file","status":"publish","type":"post","link":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/","title":{"rendered":"How to Fix &#8220;Outlook is Using an Old Copy of Your Outlook Data File&#8221; Error"},"content":{"rendered":"<p class=\"block_sum\"><em><strong>Summary: <\/strong>Microsoft Outlook is one of the most widely used email clients for personal and professional communication. Despite its robust features, users may occasionally encounter errors that disrupt their workflow. One such error is the &#8220;Outlook is using an old copy of your Outlook data file (.ost)&#8221; message. This error typically indicates issues with the synchronization between the local data file (.ost) and the Microsoft Exchange server. This guide will explore the causes of this error and provide detailed, step-by-step solutions to fix it. Additionally, this error is produced due to corrupt OST files. Therefore, using the <strong>Aryson OST Recovery Tool <\/strong>to repair the OST files is recommended.<\/em><span class=\"block_btn\"><a class=\"custom-download-btn\" href=\"https:\/\/www.arysontechnologies.com\/demo-version\/Aryson-OST-Recovery-Demo.exe\"><i class=\"icon-windows\"><\/i> Download Now<\/a>\u00a0\u00a0<a class=\"custom-buy-btn\" href=\"https:\/\/www.arysontechnologies.com\/ost-recovery\/order-now.html\"><i class=\"icon-windows\"><\/i> Purchase Now<\/a><\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 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\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i\" >Understanding the Outlook Error<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-2\" >What Causes Outlook Using an Old Copy of Your Outlook Data File Error<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-3\" >Solutions to Fix Outlook Error Using Old Copy of Your Outlook Data File<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-4\" >Solution 1: Check Network Connectivity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-5\" >Solution 2: Rebuild the OST File<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-6\" >Solution 3: Create a New Outlook Profile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-7\" >Solution 4: Repair Outlook Installation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-8\" >Solution 5: Update Outlook and Windows<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-9\" >Solution 6: Repair Outlook OST Files<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#i-10\" >Solution 7: Convert OST Files to PST<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i\"><\/span>Understanding the Outlook Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The error message &#8220;Outlook is using an old copy of your Outlook data file (.ost)&#8221; usually appears when Outlook detects discrepancies between the local OST file and the Exchange server. OST (Offline Storage Table) files allow users to work offline and synchronize changes with the server when they reconnect. When these files become outdated, corrupted, or fail to synchronize properly, Outlook raises an alert to inform the user of potential issues.<\/p>\n<h3 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-2\"><\/span>What Causes Outlook Using an Old Copy of Your Outlook Data File Error<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Network Issues:<\/strong> Unstable or slow internet connections can hinder the synchronization process.<\/li>\n<li><strong>Server Problems:<\/strong> Issues with the Exchange server, such as downtime or misconfiguration, can lead to synchronization errors.<\/li>\n<li><strong>Corrupt OST Files:<\/strong> OST files can become corrupted due to various reasons, including abrupt system shutdowns or software conflicts.<\/li>\n<li><strong>Profile Issues:<\/strong> Problems with the Outlook user profile can also trigger this error.<\/li>\n<li><strong>Software Conflicts:<\/strong> Outdated software or conflicts with other installed programs can cause synchronization problems.<\/li>\n<\/ul>\n<h3 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-3\"><\/span>Solutions to Fix Outlook Error Using Old Copy of Your Outlook Data File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The error outlook is using an old copy of your Outlook data file can be resolved using various approaches. However, this section will explore the most practical solutions to fix this Outlook error.<\/p>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-4\"><\/span>Solution 1: Check Network Connectivity<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>The first step in resolving this error is to ensure that your internet connection is stable and functioning correctly. Here\u2019s how you can do it:<\/p>\n<ul>\n<li><strong>Restart Your Router\/Modem:<\/strong> Sometimes, simply restarting your router or modem can resolve connectivity issues.<\/li>\n<li><strong>Use a Wired Connection:<\/strong> If you are using Wi-Fi, switch to a wired connection to ensure a stable internet connection.<\/li>\n<li><strong>Check Network Settings:<\/strong> Ensure that your network settings are configured correctly and that no firewall restrictions are blocking Outlook.<\/li>\n<\/ul>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-5\"><\/span>Solution 2: Rebuild the OST File<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Sometimes <a href=\"https:\/\/www.arysontechnologies.com\/blog\/how-to-repair-corrupted-ost-file\/\">repairing the OST file<\/a> can resolve the Outlook error of using an old copy of the Outlook Data file. The steps to recover a corrupt OST file are as follows:<\/p>\n<ol>\n<li><strong>Close Outlook:<\/strong> Ensure that Outlook is completely closed before proceeding.<\/li>\n<li><strong>Locate OST File:<\/strong> Navigate to the OST file location. The default path is usually `C:\\Users\\[YourUsername]\\AppData\\Local\\Microsoft\\Outlook\\`.<\/li>\n<li><strong>Rename OST File:<\/strong> Rename the existing OST file to something like `OldFilename.ost`.<\/li>\n<li><strong>Reopen Outlook:<\/strong> When you reopen Outlook, it will automatically create a new OST file and synchronize it with the Exchange server.<\/li>\n<\/ol>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-6\"><\/span>Solution 3: Create a New Outlook Profile<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Creating a new Outlook profile can resolve profile-related issues that may be causing the error. Here\u2019s how:<\/p>\n<ol>\n<li><strong>Open Control Panel:<\/strong> Navigate to the Control Panel on your computer.<\/li>\n<li><strong>Mail Setup:<\/strong> Click on <strong>Mail<\/strong> or <strong>Mail (32-bit)<\/strong> to open the Mail Setup dialog.<\/li>\n<li><strong>Show Profiles:<\/strong> Click on <strong>Show Profiles<\/strong> and then select <strong>Add<\/strong> to create a new profile.<\/li>\n<li><strong>Configure Your Email Account:<\/strong> Follow the on-screen instructions to set up your email account in the new profile.<\/li>\n<li><strong>Set as Default:<\/strong> Once the new profile is created, set it as the default profile. Restart Outlook and check if the error is resolved.<\/li>\n<\/ol>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-7\"><\/span>Solution 4: Repair Outlook Installation<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Repairing the Outlook installation can resolve issues with corrupted program files that may be causing the error. Here\u2019s how:<\/p>\n<ol>\n<li><strong>Open Control Panel:<\/strong> Navigate to the Control Panel on your computer.<\/li>\n<li><strong>Programs and Features:<\/strong> Select <strong>Programs and Features<\/strong> or <strong>Add or Remove Programs<\/strong>.<\/li>\n<li><strong>Locate Microsoft Office:<\/strong> Find Microsoft Office in the list of installed programs.<\/li>\n<li><strong>Select Repair Option:<\/strong> Click on <strong>Change <\/strong>and then select the <strong>Repair<\/strong> option. Follow the on-screen instructions to complete the repair process.<\/li>\n<\/ol>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-8\"><\/span>Solution 5: Update Outlook and Windows<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Ensure that both Outlook and your Windows operating system are up to date. Outdated software can lead to compatibility issues that cause errors. Here\u2019s how:<\/p>\n<h5 class=\"&quot;main_heading\">Update Outlook<\/h5>\n<ol>\n<li>Go to the <strong>File<\/strong> menu in Outlook.<\/li>\n<li>Select <strong>Office Account<\/strong>.<\/li>\n<li>Click on <strong>Update Options<\/strong> and choose <strong>Update Now<\/strong>.<\/li>\n<\/ol>\n<h5 class=\"&quot;main_heading\">Update Windows<\/h5>\n<ol>\n<li>Go to <strong>Start &gt; Settings &gt; Update &amp; Security<\/strong>.<\/li>\n<li>Click on <strong>Check for updates<\/strong> and install any available updates.<\/li>\n<\/ol>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-9\"><\/span>Solution 6: Repair Outlook OST Files<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>Aryson PST Recovery Software<\/strong> is a reliable and trusted tool for repairing Outlook Data files (.pst) and restoring mailbox emails. It can recover all mailbox items from corrupt, damaged, or inaccessible PST files, including emails, calendars, contacts, tasks, journals, and more. The Outlook PST Repair Tool offers three different scanning modes\u2014Standard, Advanced, and Deep\u2014to effectively restore deleted emails.<\/p>\n<ol>\n<li>Download and install the Aryson PST Repair Tool.<\/li>\n<li>Click &#8220;Open&#8221; to browse and select the Outlook PST file.<\/li>\n<li>Select the recovery mode and click &#8220;OK&#8221; to start the scanning process.<\/li>\n<li>Select the items you want to restore in the folder list and click &#8220;Save.&#8221;<\/li>\n<li>Save as EML, DBX, MSG, PST, MBOX, or other formats.<\/li>\n<li>Explore the additional features provided by the software.<\/li>\n<li>Click &#8220;OK&#8221; to start the recovery process for your mailbox data.<\/li>\n<\/ol>\n<h4 class=\"&quot;main_heading\"><span class=\"ez-toc-section\" id=\"i-10\"><\/span>Solution 7: Convert OST Files to PST<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>If none of the above methods resolve the error Outlook is using an old copy of your Outlook data file then it is recommended to change the OST files to PST. This can be done easily by using the <strong>Aryson OST to PST Converter<\/strong>. This tool is very reliable and easily converts OST to multiple file formats and email clients. Additionally, this tool offers various features\/filters. The steps are as follows:<\/p>\n<ol>\n<li>Install and launch the <a href=\"https:\/\/www.arysontechnologies.com\/convert-ost-to-pst-online.html\"><strong>OST to PST Converter <\/strong><\/a>as an administrator.<\/li>\n<li>Click on the <strong>Add File <\/strong>button to add the OST files to the software wizard.<\/li>\n<li>Select the <strong>Desired Files\/folders<\/strong> from the tree structure format.<\/li>\n<li>Choose the <strong>Saving format as PST <\/strong>and opt for the additional features\/filters.<\/li>\n<li>Finally, click on the <strong>Convert <\/strong>button to initiate the conversion process.<\/li>\n<\/ol>\n<h4 class=\"main_heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Most organizations rely on Outlook and have a large number of Outlook users. Any disruption in Outlook data can hinder the organization&#8217;s functionality. Therefore, it is advisable to save OST files into PST format regularly to avoid the &#8220;Outlook is using an old copy of your Outlook data file (.ost)&#8221; error. However, if you encounter this issue, you can rely on Aryson OST to PST Converter to resolve such errors.<\/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;1027&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;2&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (2 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Fix \\u0026quot;Outlook is Using an Old Copy of Your Outlook Data File\\u0026quot; Error&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (2 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summary: Microsoft Outlook is one of the most widely used email clients for personal and professional communication. Despite its robust<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":4321,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139],"tags":[],"class_list":["post-1027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-outlook"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Error Outlook is using an Old Copy of your Outlook Data File (.ost)<\/title>\n<meta name=\"description\" content=\"Explore the most effective solutions to fix the Outlook Error &quot;Outlook is using an Old Copy of your Outlook Data File (.ost)&quot;.\" \/>\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\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Error Outlook is using an Old Copy of your Outlook Data File (.ost)\" \/>\n<meta property=\"og:description\" content=\"Explore the most effective solutions to fix the Outlook Error &quot;Outlook is using an Old Copy of your Outlook Data File (.ost)&quot;.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/\" \/>\n<meta property=\"og:site_name\" content=\"Aryson Technologies Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-08-06T12:21:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-03T09:29:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png\" \/>\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\/png\" \/>\n<meta name=\"author\" content=\"Rohan Wiese\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rohan Wiese\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/\"},\"author\":{\"name\":\"Rohan Wiese\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#\\\/schema\\\/person\\\/38690c15f14d77f91207a5427b11e5a2\"},\"headline\":\"How to Fix &#8220;Outlook is Using an Old Copy of Your Outlook Data File&#8221; Error\",\"datePublished\":\"2018-08-06T12:21:47+00:00\",\"dateModified\":\"2024-07-03T09:29:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/\"},\"wordCount\":1127,\"publisher\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/08\\\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png\",\"articleSection\":[\"Outlook\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/\",\"name\":\"Error Outlook is using an Old Copy of your Outlook Data File (.ost)\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/08\\\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png\",\"datePublished\":\"2018-08-06T12:21:47+00:00\",\"dateModified\":\"2024-07-03T09:29:04+00:00\",\"description\":\"Explore the most effective solutions to fix the Outlook Error \\\"Outlook is using an Old Copy of your Outlook Data File (.ost)\\\".\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/08\\\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png\",\"contentUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/08\\\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png\",\"width\":698,\"height\":400,\"caption\":\"Fix Outlook is using an Old Copy of your Outlook Data File\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Fix &#8220;Outlook is Using an Old Copy of Your Outlook Data File&#8221; Error\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/\",\"name\":\"Aryson Technologies Blog\",\"description\":\"Latest Technical Tips &amp; Tricks\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#organization\",\"name\":\"Aryson Technologies Blog\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-logo.webp\",\"contentUrl\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-logo.webp\",\"width\":247,\"height\":60,\"caption\":\"Aryson Technologies Blog\"},\"image\":{\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/#\\\/schema\\\/person\\\/38690c15f14d77f91207a5427b11e5a2\",\"name\":\"Rohan Wiese\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g\",\"caption\":\"Rohan Wiese\"},\"description\":\"Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.\",\"url\":\"https:\\\/\\\/www.arysontechnologies.com\\\/blog\\\/author\\\/rohan\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Error Outlook is using an Old Copy of your Outlook Data File (.ost)","description":"Explore the most effective solutions to fix the Outlook Error \"Outlook is using an Old Copy of your Outlook Data File (.ost)\".","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.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/","og_locale":"en_US","og_type":"article","og_title":"Error Outlook is using an Old Copy of your Outlook Data File (.ost)","og_description":"Explore the most effective solutions to fix the Outlook Error \"Outlook is using an Old Copy of your Outlook Data File (.ost)\".","og_url":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/","og_site_name":"Aryson Technologies Blog","article_published_time":"2018-08-06T12:21:47+00:00","article_modified_time":"2024-07-03T09:29:04+00:00","og_image":[{"width":698,"height":400,"url":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png","type":"image\/png"}],"author":"Rohan Wiese","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Rohan Wiese","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#article","isPartOf":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/"},"author":{"name":"Rohan Wiese","@id":"https:\/\/www.arysontechnologies.com\/blog\/#\/schema\/person\/38690c15f14d77f91207a5427b11e5a2"},"headline":"How to Fix &#8220;Outlook is Using an Old Copy of Your Outlook Data File&#8221; Error","datePublished":"2018-08-06T12:21:47+00:00","dateModified":"2024-07-03T09:29:04+00:00","mainEntityOfPage":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/"},"wordCount":1127,"publisher":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#primaryimage"},"thumbnailUrl":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png","articleSection":["Outlook"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/","url":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/","name":"Error Outlook is using an Old Copy of your Outlook Data File (.ost)","isPartOf":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#primaryimage"},"image":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#primaryimage"},"thumbnailUrl":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png","datePublished":"2018-08-06T12:21:47+00:00","dateModified":"2024-07-03T09:29:04+00:00","description":"Explore the most effective solutions to fix the Outlook Error \"Outlook is using an Old Copy of your Outlook Data File (.ost)\".","breadcrumb":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#primaryimage","url":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png","contentUrl":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2018\/08\/How-to-Fix-Outlook-is-Using-an-Old-Copy-of-Your-Outlook-Data-File-Error.png","width":698,"height":400,"caption":"Fix Outlook is using an Old Copy of your Outlook Data File"},{"@type":"BreadcrumbList","@id":"https:\/\/www.arysontechnologies.com\/blog\/fix-outlook-is-using-an-old-copy-of-your-outlook-data-file\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.arysontechnologies.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How to Fix &#8220;Outlook is Using an Old Copy of Your Outlook Data File&#8221; Error"}]},{"@type":"WebSite","@id":"https:\/\/www.arysontechnologies.com\/blog\/#website","url":"https:\/\/www.arysontechnologies.com\/blog\/","name":"Aryson Technologies Blog","description":"Latest Technical Tips &amp; Tricks","publisher":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.arysontechnologies.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.arysontechnologies.com\/blog\/#organization","name":"Aryson Technologies Blog","url":"https:\/\/www.arysontechnologies.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.arysontechnologies.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2022\/07\/cropped-logo.webp","contentUrl":"https:\/\/www.arysontechnologies.com\/blog\/wp-content\/uploads\/2022\/07\/cropped-logo.webp","width":247,"height":60,"caption":"Aryson Technologies Blog"},"image":{"@id":"https:\/\/www.arysontechnologies.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.arysontechnologies.com\/blog\/#\/schema\/person\/38690c15f14d77f91207a5427b11e5a2","name":"Rohan Wiese","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/04068e84d014f4cd8f4d3caeec2e3949c4ab1020004486d628e8ca23c5907035?s=96&d=mm&r=g","caption":"Rohan Wiese"},"description":"Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.","url":"https:\/\/www.arysontechnologies.com\/blog\/author\/rohan\/"}]}},"_links":{"self":[{"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/posts\/1027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/comments?post=1027"}],"version-history":[{"count":7,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/posts\/1027\/revisions"}],"predecessor-version":[{"id":4323,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/posts\/1027\/revisions\/4323"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/media\/4321"}],"wp:attachment":[{"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/media?parent=1027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/categories?post=1027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arysontechnologies.com\/blog\/wp-json\/wp\/v2\/tags?post=1027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}