{"id":58,"date":"2026-04-07T03:37:55","date_gmt":"2026-04-07T02:37:55","guid":{"rendered":"https:\/\/www.recovery-tools.org\/techtalk\/?p=58"},"modified":"2026-04-08T15:29:44","modified_gmt":"2026-04-08T14:29:44","slug":"fix-outlook-error-0x800ccc90","status":"publish","type":"post","link":"https:\/\/www.recovery-tools.org\/techtalk\/fix-outlook-error-0x800ccc90.html","title":{"rendered":"Here&#8217;s How to Fix Outlook Error 0x800ccc90: Send\/Receive Emails Issue"},"content":{"rendered":"<p style=\"text-align: justify;\">In this article, we will discuss how to resolve Outlook Error 0x800ccc90 using 2 manual solutions and one expert-suggested approach. Along with that, we will also share the top reasons why users face the 0x800ccc90 error in Outlook when they try to send \/ receive an email for all accounts at the same time. So, let&#8217;s get started and see which method best fits your requirements.<\/p>\n<div class=\"card mb-5 bg-menu\">\n<div class=\"card-header text-center fw-bold\">Table of Contents <button class=\"btn-toc\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#toc\">Hide<\/button><\/div>\n<div id=\"toc\" class=\"card-body collapse show\">\n<ul class=\"list-unstyled\">\n<ol>\n<li><a class=\"scroll\" href=\"#m1\">Reasons Why Outlook Error 0x800ccc90 Occurs<\/a><\/li>\n<li><a class=\"scroll\" href=\"#m2\">Adjust Outlook Send\/Receive Settings to Fix Outlook Error 0x800CCC90<\/a><\/li>\n<li><a class=\"scroll\" href=\"#m3\">Change Port Number to Manually Resolve Error 0x800ccc90<\/a><\/li>\n<li><a class=\"scroll\" href=\"#m4\">Expert Suggestion for Outlook Error 0x800ccc90 Resolution<\/a><\/li>\n<li><a class=\"scroll\" href=\"#m5\">Conclusion<\/a><\/li>\n<\/ol>\n<\/ul>\n<\/div>\n<\/div>\n<p style=\"text-align: justify;\">The error reads as follows:<\/p>\n<p><center><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/0x800CCC90.jpg\" alt=\"Outlook Error 0x800ccc90\" \/><\/center><\/p>\n<pre>\u201cReceiving\u2019 reported error (0x800CCC90): \r\n\u2018Your incoming (POP3) e-mail server has reported an internal error. \r\nIf you continue to receive this message, contact your server administrator or \r\nInternet service provider (ISP).\u201d <\/pre>\n<h2 id=m1>Reasons Why Outlook Error 0x800ccc90 Occurs<\/h2>\n<ul>\n<li style=\"text-align: justify;\">This issue is primarily encountered when there is a limit to the number of <strong>POP3<\/strong> connections that can be established at the same time. This limit is determined by the <strong>Internet Service Provider (ISP)<\/strong>.<\/li>\n<li style=\"text-align: justify;\">Another cause for this is the <strong>incorrect configuration of Send\/Recieve groups<\/strong> or <strong>synchronization settings<\/strong>.<\/li>\n<li style=\"text-align: justify;\">A heavily damaged Outlook profile can <strong>disrupt server communication<\/strong> resulting in Outlook error 0x800ccc90.<\/li>\n<li style=\"text-align: justify;\">Wrong login credentials, i.e., <strong>incorrect username\/password<\/strong> or <strong>recently changed but not updated password<\/strong> may also result in send\/recieve issues in Outlook.<\/li>\n<\/ul>\n<blockquote><p><strong>Also Read:<\/strong> <strong>How to <a href=\"https:\/\/www.recovery-tools.org\/techtalk\/retrieve-emails-from-outlook-archive-manually.html\" rel=\"noopener\" target=\"_blank\">Retrieve Emails from Outlook Archive<\/a> Folder?<\/strong><\/p><\/blockquote>\n<h2 id=m2>Adjust Outlook Send\/Receive Settings to Fix Outlook Error 0x800CCC90<\/h2>\n<p style=\"text-align: justify;\">To fix Outlook error 0x800CCC90, your POP3 account can be divided into multiple send\/receive groups. Subsequently, these smaller groups can be connected individually. Follow the steps below to resolve this issue:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>Step 1<\/strong>. First, click <strong>Send \/ Receive Settings >> Define Send\/Receive Groups<\/strong>.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/send-receive-1.png\" alt=\"Send \/ Receive Settings\" \/><\/li>\n<li style=\"text-align: justify;\"><strong>Step 2<\/strong>. Then, in the <strong>Send\/Receive Groups<\/strong> window, go to <strong>New<\/strong> button. A new screen will appear, type the name for this group.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/create-a-new-name.png\" alt=\"Send\/Receive Group\" \/><\/li>\n<li style=\"text-align: justify;\"><strong>Step 3<\/strong>. In the left panel, select one or more account which need to be added in the newly created group. Now select <strong>Include the selected account in this group<\/strong> checkbox as shown in below figure.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/account.png\" alt=\"Include account in group\" \/><\/li>\n<li style=\"text-align: justify;\"><strong>Step 4<\/strong>. Afterward, select <strong>Send<\/strong> mail items and <strong>Receive<\/strong> mail items to fix \u20180x800ccc90 &#8211; your incoming pop3 email server has reported an internal error Outlook 2019, 2016 and below versions.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/select-both-options.png\" alt=\"Fix Outlook Error 0x800ccc90\" \/><\/li>\n<li style=\"text-align: justify;\"><strong>Step 5<\/strong>. Now, you have to select <strong>Download complete item including attachments<\/strong> as shown in the image.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/select-download-complete-option.png\" alt=\"Download complete item\" \/><\/li>\n<div class=\"alert alert-info\">\n<p style=\"text-align: justify;\"><strong>Note<\/strong>: Other <strong>Send\/Receive Groups<\/strong> can also be created by using <strong>step 3<\/strong> to <strong>step 5<\/strong>.<\/p>\n<\/div>\n<li style=\"text-align: justify;\"><strong>Step 6<\/strong>. Upon doing so, begin the process of sending and receiving emails for each group by selecting <strong>Send \/ Receive >> Send Receive Groups >> Define Send\/Receive Group<\/strong>.\n<p><img decoding=\"async\" src=\"https:\/\/www.recovery-tools.org\/techtalk\/wp-content\/uploads\/2016\/08\/select-send-receive-option.png\" alt=\"Solve Send \/ Receive Error\" \/><\/li>\n<\/ul>\n<blockquote><p><strong>Solution to Fix <a href=\"https:\/\/www.recovery-tools.org\/techtalk\/unable-to-open-encrypted-outlook-email.html\" rel=\"noopener\" target=\"_blank\">Unable to Open Encrypted Outlook Email<\/a> Error<\/strong><\/p><\/blockquote>\n<h3 id=m3>Change Port Number to Manually Resolve Error 0x800ccc90<\/h3>\n<p style=\"text-align: justify;\">You can fix the error by changing the port number of the server. Here&#8217;s how to do so:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>Step 1<\/strong>. Go to <strong>File >> Account Settings >> Select Email Account >> Change >> More Settings<\/strong><\/li>\n<li style=\"text-align: justify;\"><strong>Step 2<\/strong>. In the <strong>Internet Email<\/strong> settings, <strong>Select Advanced >> Incoming Server (POP3) >> Type 995<\/strong>.<\/li>\n<\/ul>\n<blockquote>\n<h3 id=m4>Expert Suggestion for Outlook Error 0x800ccc90 Resolution<\/h3>\n<p style=\"text-align: justify;\">There are various reasons for corruption like virus infection, oversized PST file, abrupt shutdown. Thus, in this case, it is recommended to use a professional solution such as <a href=\"https:\/\/www.recovery-tools.org\/ms-outlook-pst\/\" rel=\"noopener\" target=\"_blank\"><strong>Microsoft Outlook PST Recovery Tool<\/strong><\/a>.<\/p>\n<p class=\"text-center mr-2\"><a class=\"btn btn-lg btn-success btn-md-block\" href=\"https:\/\/www.recovery-tools.org\/download\/SYS0O0R8S\/95\" rel=\"nofollow\"> <svg width=\"25\" height=\"25\">\n          <use xlink:href=\"#icon-win\" fill=\"#fff\"><\/use>\n        <\/svg> Download Now<\/a> <a class=\"btn btn-lg btn-orange btn-md-block\" href=\"https:\/\/www.recovery-tools.org\/buy\/SYS0O0R8S\/95\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"> <svg width=\"25\" height=\"25\">\n          <use xlink:href=\"#icon-win\" fill=\"#fff\"><\/use>\n        <\/svg> Purchase Now<\/a><\/p>\n<p style=\"text-align: justify;\">The tool ensures the complete security of Microsoft Outlook data file while <a href=\"https:\/\/www.recovery-tools.org\/techtalk\/repair-pst-file-without-scanpst-exe-in-outlook.html\" rel=\"noopener\" target=\"_blank\"><strong>repairing PST files without ScanPST tool<\/strong><\/a>. It can also repair password protected PST file data without permission. Along with that, the software program can also <a href=\"https:\/\/www.recovery-tools.org\/deleted-emails-from-outlook-pst.html\" rel=\"noopener\" target=\"_blank\"><strong>Recover Deleted Emails from Outlook<\/strong><\/a> application.<\/p>\n<\/blockquote>\n<blockquote><p><strong>Read<\/strong>: <strong><a href=\"https:\/\/www.recovery-tools.org\/techtalk\/how-to-use-outlook-inbox-repair-tool.html\" rel=\"noopener\" target=\"_blank\">How to Use Outlook Inbox Repair Tool<\/a>?<\/strong><\/p><\/blockquote>\n<h3 id=m5>Conclusion<\/h3>\n<p style=\"text-align: justify;\">The above solution may solve the problem. However, if you are still having issues with your incoming Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003 receiving reporting error 0x800ccc90, then most likely the data file is infected or corrupted. Moreover, an automated solution suggested for the same.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we will discuss how to resolve Outlook Error 0x800ccc90 using 2 manual solutions and one expert-suggested approach. <\/p>\n","protected":false},"author":1,"featured_media":322,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"class_list":["post-58","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microsoft-outlook"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Outlook Error 0x800ccc90 \u2013 Send\/Receive Emails Issue: Fixed<\/title>\n<meta name=\"description\" content=\"Know the cause of Outlook Error 0x800ccc90 send and receive error. 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