{"id":684,"date":"2025-12-28T14:56:18","date_gmt":"2025-12-28T13:56:18","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=684"},"modified":"2026-06-07T23:59:46","modified_gmt":"2026-06-07T21:59:46","slug":"how-to-set-up-a-calendar-using-caldav-in-outlook","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-to-set-up-a-calendar-using-caldav-in-outlook\/","title":{"rendered":"How to set up a calendar using CalDAV in Outlook?"},"content":{"rendered":"\n<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\">To set up a calendar using <strong>CalDAV<\/strong> in <strong>Outlook<\/strong>, you need to install an additional application available for free download <a href=\"https:\/\/caldavsynchronizer.org\/de\/download\/\" target=\"_blank\" rel=\"noreferrer noopener\">HERE.<\/a><br>Then make sure that you have activated the appropriate option on <a href=\"https:\/\/mail.mybox.com\">the mail.mybox.com<\/a> side according to the guide available <a href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-add-and-configure-a-caldav-calendar\/\">HERE.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When the application <strong>starts, click CalDav Synchronizer, <\/strong>then <strong>click Synchronization Profiles<\/strong>.<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"205\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-01.png.webp\" alt=\"\" class=\"wp-image-5019\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-01.png.webp 720w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-01.png-300x85.webp 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-01.png-18x5.webp 18w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n<\/div>\n\n\n\n\n<div id=\"mybox-3530476031\" class=\"mybox-content mybox-entity-placement\"><div class=\"early-access-banner-inpost\">\r\n  <div class=\"banner-left-inpost\">\r\n    <div class=\"icon-box-inpost\">\r\n      <img decoding=\"async\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2026\/02\/square-info-icon.svg\" alt=\"Info\">\r\n    <\/div>\r\n    <div class=\"text-box-inpost\">\r\n      <span class=\"label-inpost\"><span class=\"translation-block translation-block-banner-text\">Early access<\/span><\/span>\r\n      <h4><span class=\"translation-block translation-block-banner-text\">Still need help?<\/span><\/h4>\r\n      <p><span class=\"translation-block translation-block-banner-text\">Contact our customer service team.<\/span><\/p>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"banner-right-inpost\">\r\n    <a href=\"https:\/\/panel.mybox.com\/helpdesk2\/v\/list\/\" class=\"banner-button-inpost\"><span class=\"translation-block translation-block-banner-text\">Message us<\/span><\/a>\r\n  <\/div>\r\n<\/div><\/div>\n\n<div class=\"translation-block translation-block-merged\"><p class=\"wp-block-paragraph\">In the pane that appears, select <strong>Add new profile<\/strong><strong>.<\/strong><\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"159\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-02.png.webp\" alt=\"\" class=\"wp-image-5020\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-02.png.webp 720w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-02.png-300x66.webp 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-02.png-18x4.webp 18w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">Select <strong>Generic CalDAV\/CardDAV.<\/strong><\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"163\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-03.png.webp\" alt=\"\" class=\"wp-image-5021\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-03.png.webp 720w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-03.png-300x68.webp 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-03.png-18x4.webp 18w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">Then enter the CalDAV calendar data obtained during the setup described <a href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-add-and-configure-a-caldav-calendar\/\">HERE.<\/a><\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"615\" height=\"275\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-04.png.webp\" alt=\"\" class=\"wp-image-5022\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-04.png.webp 615w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-04.png-300x134.webp 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/outlook-04.png-18x8.webp 18w\" sizes=\"auto, (max-width: 615px) 100vw, 615px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">Then <em><strong>, click on &#8220;Show Advanced Settings&#8221;<\/strong><\/em> located at the bottom of the settings pane<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"648\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix1-768x648-1.png\" alt=\"\" class=\"wp-image-5024\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix1-768x648-1.png 768w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix1-768x648-1-300x253.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix1-768x648-1-14x12.png 14w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">This will bring up additional <em><strong>&#8220;Network Settings&#8221;<\/strong><\/em> options. Make sure that only the Use preemptive authentication option is selected. Click OK to save your changes and complete the setup step.<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"651\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix2-768x651-1.png\" alt=\"\" class=\"wp-image-5025\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix2-768x651-1.png 768w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix2-768x651-1-300x254.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix2-768x651-1-14x12.png 14w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">In some cases, when the app can&#8217;t connect, you need to use an alternate address<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"423\" height=\"284\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-375.png\" alt=\"\" class=\"wp-image-5495\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-375.png 423w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-375-300x201.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-375-18x12.png 18w\" sizes=\"auto, (max-width: 423px) 100vw, 423px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\">The sync status should look like this<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"236\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix3-300x236-2.png\" alt=\"\" class=\"wp-image-5027\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix3-300x236-2.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/caldavfix3-300x236-2-15x12.png 15w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom 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\"><\/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:\/\/mybox.com\/help\/en\/knowledgebase\/how-to-set-up-a-calendar-using-caldav-in-outlook\/#Alternative_CalDAV_Address\" >Alternative CalDAV Address<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-to-set-up-a-calendar-using-caldav-in-outlook\/#Verifying_Synchronization\" >Verifying Synchronization<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-to-set-up-a-calendar-using-caldav-in-outlook\/#Troubleshooting\" >Troubleshooting<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Alternative_CalDAV_Address\"><\/span>Alternative CalDAV Address<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In some environments, Outlook may fail to connect using the primary CalDAV address.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If synchronization does not work:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verify the CalDAV URL.<\/li>\n\n\n\n<li>Try the alternative CalDAV address provided in your calendar configuration.<\/li>\n\n\n\n<li>Save the profile and test synchronization again.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Verifying_Synchronization\"><\/span>Verifying Synchronization<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once the profile has been created successfully:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Start a manual synchronization.<\/li>\n\n\n\n<li>Wait for Outlook to complete the process.<\/li>\n\n\n\n<li>Check that calendar events appear correctly.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">A successful synchronization status should indicate that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Authentication succeeded<\/li>\n\n\n\n<li>Calendar data was retrieved<\/li>\n\n\n\n<li>No synchronization errors occurred<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Troubleshooting\"><\/span>Troubleshooting<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If synchronization fails:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Confirm that firewalls or antivirus software are not blocking Outlook.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Verify the username is your full email address.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Confirm the mailbox password is correct.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check that CalDAV access is enabled.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Verify the CalDAV URL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ensure <strong>Use Preemptive Authentication<\/strong> is enabled.<\/p>\n<\/div>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[129],"manual_kb_tag":[2581,2582,242,2583,928,2584,1014,2585,2038,2586,2112,2587,2372,2588,2573,2589,2574,2575,2576,2577,2578,2579,2580],"class_list":["post-684","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-calendar","manual_kb_tag-calendar-sync-status","manual_kb_tag-outlook-plugin","manual_kb_tag-mybox","manual_kb_tag-download-application","manual_kb_tag-calendar-synchronization","manual_kb_tag-alternate-address","manual_kb_tag-mybox-com","manual_kb_tag-calendar-account","manual_kb_tag-advanced-settings","manual_kb_tag-mail-mybox-com","manual_kb_tag-profile","manual_kb_tag-free-download","manual_kb_tag-installation-guide","manual_kb_tag-install-application","manual_kb_tag-outlook-calendar","manual_kb_tag-show-advanced-settings","manual_kb_tag-caldav","manual_kb_tag-caldav-synchronizer","manual_kb_tag-synchronization-profiles","manual_kb_tag-generic-cal-card","manual_kb_tag-preemptive-authentication","manual_kb_tag-network-settings","manual_kb_tag-calendar-setup"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":3,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/684\/revisions"}],"predecessor-version":[{"id":5029,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/684\/revisions\/5029"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/media?parent=684"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manualknowledgebasecat?post=684"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb_tag?post=684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}