{"id":1740,"date":"2020-11-20T06:54:41","date_gmt":"2020-11-20T06:54:41","guid":{"rendered":"https:\/\/www.cigatisolutions.com\/blog\/?p=1740"},"modified":"2024-10-29T11:13:08","modified_gmt":"2024-10-29T11:13:08","slug":"cannot-start-microsoft-outlook","status":"publish","type":"post","link":"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/","title":{"rendered":"How to Fix the \u201cCannot Start Microsoft Outlook: Invalid XML\u201d Error"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;1740&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;How to Fix the \u201cCannot Start Microsoft Outlook: Invalid XML\u201d 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 - (1 vote)    <\/div>\n    <\/div>\n<p>Microsoft Outlook users have become so dependent on this email client that encountering issues can be quite distressing. While some problems may be minor and easily resolvable, others can severely disrupt your workflow. This blog will discuss a common error message: <strong>\u201cCannot start Microsoft Outlook: Invalid XML.\u201d<\/strong><\/p>\n<p>When this message appears, it\u2019s crucial to understand its implications and how to resolve it. In the following sections, we will provide valuable insights into the \u201cCannot start Microsoft Outlook: Invalid XML\u201d error, along with effective solutions. Let\u2019s dive in!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Reasons_for_the_%E2%80%9CCannot_Start_Microsoft_Outlook_Invalid_XML%E2%80%9D_Error\" >Reasons for the \u201cCannot Start Microsoft Outlook: Invalid XML\u201d Error<\/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.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Manual_Steps_to_Fix_the_Outlook_wont_open_Issue\" >Manual Steps to Fix the Outlook won&#8217;t open Issue<\/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.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Method_1_Use_the_Inbox_Repair_Tool\" >Method 1: Use the Inbox Repair Tool<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Method_2_Reset_Navigation_Pane\" >Method 2: Reset Navigation Pane<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Method_3_Disable_Compatibility_Mode\" >Method 3: Disable Compatibility Mode<\/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.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Method_4_Delete_the_Navigation_Pane_Configuration_File\" >Method 4: Delete the Navigation Pane Configuration File<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Alternative_Solution_Use_a_Professional_Repair_Tool\" >Alternative Solution: Use a Professional Repair Tool<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/#Final_Thoughts\" >Final Thoughts<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Reasons_for_the_%E2%80%9CCannot_Start_Microsoft_Outlook_Invalid_XML%E2%80%9D_Error\"><\/span>Reasons for the \u201cCannot Start Microsoft Outlook: Invalid XML\u201d Error<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before we explore the resolution methods, let\u2019s examine the potential causes behind this error. Several factors can lead to the Invalid XML error in Outlook:<\/p>\n<ul>\n<li><strong>Corrupted Hard Drive<\/strong>: If the XML file for the navigation pane is located in a damaged sector of the hard drive, the application may fail to access it, resulting in the error message.<\/li>\n<li><strong>Altered Navigation Settings<\/strong>: Changes to the XML files in the navigation settings can trigger the \u201cCannot start Microsoft Outlook: Invalid XML\u201d error.<\/li>\n<li><strong>Compatibility Mode Issues<\/strong>: Running Outlook in compatibility mode may disable various features and settings, affecting the navigation pane and potentially leading to an invalid XML error.<\/li>\n<li><strong>Outdated Version<\/strong>: Using an outdated version of Outlook can sometimes contribute to this issue, though this is less common.<\/li>\n<\/ul>\n<p>These are some of the reasons that can cause the \u201cCannot open Microsoft Outlook\u201d error.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Manual_Steps_to_Fix_the_Outlook_wont_open_Issue\"><\/span>Manual Steps to Fix the Outlook won&#8217;t open Issue<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Now that you\u2019re aware of how this error occurs, let\u2019s explore some manual methods to resolve it. Below are five detailed methods you can try to fix the issue:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Method_1_Use_the_Inbox_Repair_Tool\"><\/span>Method 1: Use the Inbox Repair Tool<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Follow these steps to use the Inbox Repair Tool:<\/p>\n<ul>\n<li>Start by opening Windows Explorer on your PC.<\/li>\n<li>Go to the following path:\n<ul>\n<li><code>C:\\Program Files\\Microsoft Office\\{Office version}<\/code><br \/>\nOR<\/li>\n<li>For 64-bit Windows with 32-bit Office:<br \/>\n<code>C:\\Program Files (x86)\\Microsoft Office\\{Office version}<\/code><\/li>\n<\/ul>\n<\/li>\n<li>Search for the \u201cScanpst.exe\u201d file. You can also find it by typing \u201cScanpst.exe\u201d in the Start menu search bar.<\/li>\n<li>Click on the \u201cBrowse\u201d button to select the default Outlook.pst file.<\/li>\n<li>After selecting the file, click on the \u201cStart\u201d button to initiate the scan. If any errors are found, a dialog box will appear.<\/li>\n<li>Follow the prompts to click \u201cRepair.\u201d Wait for the process to complete, then open Outlook to see if the error is resolved.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Method_2_Reset_Navigation_Pane\"><\/span>Method 2: Reset Navigation Pane<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If resetting the navigation pane doesn\u2019t resolve the issue, the XML file may be corrupt. To fix this:<\/p>\n<ul>\n<li>Press <code>Windows + R<\/code> on your keyboard.<\/li>\n<li>Type the following command:\n<ul>\n<li><code>Outlook.exe \/resetnavpane<\/code><\/li>\n<\/ul>\n<\/li>\n<li>Launch Outlook again, and it should function properly. If the issue persists, proceed to the next method.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Method_3_Disable_Compatibility_Mode\"><\/span>Method 3: Disable Compatibility Mode<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To disable compatibility mode, follow these steps:<\/p>\n<ul>\n<li>Click on the Start menu and type \u201cOutlook.exe.\u201d<\/li>\n<li>Right-click on the Outlook.exe application icon in the search results and select \u201cProperties.\u201d<\/li>\n<li>In the Outlook.exe properties window, go to the Compatibility tab. Uncheck the box that says \u201cRun this program in compatibility mode,\u201d then click \u201cApply\u201d and \u201cOK.\u201d<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Method_4_Delete_the_Navigation_Pane_Configuration_File\"><\/span>Method 4: Delete the Navigation Pane Configuration File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If disabling compatibility mode didn\u2019t work, you may need to delete the navigation pane settings:<\/p>\n<ul>\n<li>Press <code>Windows + R<\/code> on your keyboard.<\/li>\n<li>Type <code>%appdata%\\Microsoft\\Outlook<\/code> and press Enter.<\/li>\n<li>In the directory that appears, search for the \u201cOutlook.xml\u201d file.<\/li>\n<li>Right-click on the \u201cOutlook.xml\u201d file and select \u201cDelete.\u201d Restart Outlook to see if the issue is resolved.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Alternative_Solution_Use_a_Professional_Repair_Tool\"><\/span>Alternative Solution: Use a Professional Repair Tool<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If manual methods do not resolve the issue, consider using a professional repair tool like <strong>Cigati <a href=\"https:\/\/www.cigatisolutions.com\/outlook-email-recovery\/\"><span class=\"gradient-text\">Outlook PST Repair\u00a0<\/span>Tool<\/a><\/strong>. This software is designed to <a href=\"https:\/\/www.cigatisolutions.com\/blog\/repair-outlook-personal-folder-file\/\">repair corrupted PST files<\/a> effectively. It allows you to recover mailbox items and save them in various formats, such as EML, MSG, MBOX, DBX, and new PST files.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span>Final Thoughts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In this blog, we discussed how to fix the \u201cCannot start Microsoft Outlook: Invalid XML\u201d error and explored its potential causes. By following the manual methods outlined, you may be able to resolve the issue. However, keep in mind that manual steps can sometimes lead to data loss or inconsistencies. Therefore, we recommend using a professional repair method for a secure and efficient solution without risking data integrity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Outlook users have become so dependent on this email client that encountering issues can be quite distressing. While some<a class=\"read-more ml-1 main-read-more\" href=\"https:\/\/www.cigatisolutions.com\/blog\/cannot-start-microsoft-outlook\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":1937,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-outlook-error"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Fix the \u201cCannot Start Microsoft Outlook: Invalid XML\u201d Error<\/title>\n<meta name=\"description\" content=\"Tired of the &quot;Cannot Start Microsoft Outlook: Invalid XML&quot; error? 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