{"id":441,"date":"2025-12-28T19:46:30","date_gmt":"2025-12-28T18:46:30","guid":{"rendered":"https:\/\/mybox.com\/help\/?post_type=manual_kb&#038;p=441"},"modified":"2026-06-08T00:22:00","modified_gmt":"2026-06-07T22:22:00","slug":"how-do-i-set-up-a-calendar-using-caldav-on-thunderbird","status":"publish","type":"manual_kb","link":"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/","title":{"rendered":"How do I set up a calendar using CalDAV on Thunderbird?"},"content":{"rendered":"\n<div class=\"translation-block translation-block-merged\">\n<p class=\"wp-block-paragraph\">Mozilla Thunderbird includes built-in calendar functionality and supports the CalDAV protocol, allowing you to synchronize your Mybox calendar directly with the application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once configured, your events, appointments, reminders, and recurring meetings will automatically synchronize between Thunderbird and your Mybox account.<\/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-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Prerequisites\" >Prerequisites<\/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-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Adding_a_CalDAV_Calendar\" >Adding a CalDAV Calendar<\/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:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_1\" >Step 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_2\" >Step 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_3\" >Step 3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_4\" >Step 4<\/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:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Entering_CalDAV_Details\" >Entering CalDAV Details<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_1-2\" >Step 1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_2-2\" >Step 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Step_3-2\" >Step 3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Authentication\" >Authentication<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Subscribing_to_the_Calendar\" >Subscribing to the Calendar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Synchronization\" >Synchronization<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Troubleshooting\" >Troubleshooting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/mybox.com\/help\/en\/knowledgebase\/how-do-i-set-up-a-calendar-using-caldav-on-thunderbird\/#Summary\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prerequisites\"><\/span>Prerequisites<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<\/div>\n\n<div id=\"mybox-3475531722\" 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\">Before configuring Thunderbird, make sure that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CalDAV access has been enabled for your Mybox calendar.<\/li>\n\n\n\n<li>You have the CalDAV connection details.<\/li>\n\n\n\n<li>You know the username and password associated with the calendar.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adding_a_CalDAV_Calendar\"><\/span>Adding a CalDAV Calendar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1\"><\/span>Step 1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Open <strong>Mozilla Thunderbird<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2\"><\/span>Step 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Switch to the <strong>Calendar<\/strong> view.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3\"><\/span>Step 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Click the <strong>+<\/strong> (Add Calendar) button.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4\"><\/span>Step 4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In the wizard that appears, select:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>On the Network\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Remote Calendar\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">depending on your Thunderbird version.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Click:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Next\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">to continue.<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"800\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421-1024x800.png\" alt=\"\" class=\"wp-image-9981\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421-1024x800.png 1024w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421-300x234.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421-768x600.png 768w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421-15x12.png 15w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-421.png 1191w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Entering_CalDAV_Details\"><\/span>Entering CalDAV Details<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1-2\"><\/span>Step 1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Select:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CalDAV\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">as the calendar type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2-2\"><\/span>Step 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Enter the CalDAV connection details provided for your Mybox calendar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical information includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calendar URL<\/li>\n\n\n\n<li>Username (full email address)<\/li>\n<\/ul>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"503\" height=\"409\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-422.png\" alt=\"\" class=\"wp-image-9982\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-422.png 503w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-422-300x244.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-422-15x12.png 15w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3-2\"><\/span>Step 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Click:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Find Calendars\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Thunderbird will attempt to connect to the server and retrieve the available calendars.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Authentication\"><\/span>Authentication<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When prompted, enter the password associated with your CalDAV calendar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Click:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Log In\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">to authenticate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may optionally allow Thunderbird to save the password for future use.<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"610\" height=\"194\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-423.png\" alt=\"\" class=\"wp-image-9983\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-423.png 610w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-423-300x95.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-423-18x6.png 18w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Subscribing_to_the_Calendar\"><\/span>Subscribing to the Calendar<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After successful authentication, Thunderbird will display the available calendars associated with your account.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Select the calendar you want to synchronize and click:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Subscribe\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">The calendar will then be added to Thunderbird.<\/p>\n\n\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"496\" height=\"400\" src=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-424.png\" alt=\"\" class=\"wp-image-9984\" srcset=\"https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-424.png 496w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-424-300x242.png 300w, https:\/\/mybox.com\/help\/wp-content\/uploads\/2025\/12\/image-424-15x12.png 15w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/figure>\n<\/div>\n\n<div class=\"translation-block translation-block-merged\">\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Synchronization\"><\/span>Synchronization<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">After setup, Thunderbird will automatically synchronize:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Events<\/li>\n\n\n\n<li>Meetings<\/li>\n\n\n\n<li>Reminders<\/li>\n\n\n\n<li>Recurring appointments<\/li>\n\n\n\n<li>Calendar updates<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Changes made in Thunderbird will be synchronized with Mybox, and changes made in Mybox webmail will appear in Thunderbird during the next synchronization cycle.<\/p>\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 the calendar cannot be found or synchronized:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verify that CalDAV access is enabled.<\/li>\n\n\n\n<li>Check that the CalDAV URL is correct.<\/li>\n\n\n\n<li>Confirm that your username is the full email address.<\/li>\n\n\n\n<li>Verify that the password is correct.<\/li>\n\n\n\n<li>Ensure that Thunderbird can access the internet.<\/li>\n\n\n\n<li>Restart Thunderbird after making configuration changes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To connect your Mybox calendar to Thunderbird:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Open the <strong>Calendar<\/strong> view.<\/li>\n\n\n\n<li>Click <strong>Add Calendar<\/strong>.<\/li>\n\n\n\n<li>Select <strong>Remote Calendar<\/strong>.<\/li>\n\n\n\n<li>Choose <strong>CalDAV<\/strong>.<\/li>\n\n\n\n<li>Enter your CalDAV connection details.<\/li>\n\n\n\n<li>Authenticate using your calendar credentials.<\/li>\n\n\n\n<li>Click <strong>Subscribe<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Your Mybox calendar will then be synchronized automatically with Thunderbird.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[129],"manual_kb_tag":[928,1784,2580,3222,3223,3224,3225,3226,3227,3228],"class_list":["post-441","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-calendar","manual_kb_tag-calendar-synchronization","manual_kb_tag-email-client","manual_kb_tag-calendar-setup","manual_kb_tag-thunderbird-calendar","manual_kb_tag-calendar-integration","manual_kb_tag-remote-calendar","manual_kb_tag-calendar-subscription","manual_kb_tag-calendar-view","manual_kb_tag-find-calendars","manual_kb_tag-sign-in"],"_links":{"self":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/441","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":2,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/441\/revisions"}],"predecessor-version":[{"id":5400,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb\/441\/revisions\/5400"}],"wp:attachment":[{"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/media?parent=441"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manualknowledgebasecat?post=441"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/mybox.com\/help\/en\/wp-json\/wp\/v2\/manual_kb_tag?post=441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}