{"id":9200,"date":"2025-09-19T20:07:40","date_gmt":"2025-09-19T20:07:40","guid":{"rendered":"https:\/\/www.repairmsexcel.com\/blog\/?p=9200"},"modified":"2025-09-19T20:17:09","modified_gmt":"2025-09-19T20:17:09","slug":"fix-user-defined-type-not-defined-error","status":"publish","type":"post","link":"https:\/\/www.repairmsexcel.com\/blog\/fix-user-defined-type-not-defined-error","title":{"rendered":"User-Defined Type Not Defined Error in Excel FIXED Instantly!"},"content":{"rendered":"<div class=\"1898181a2aebca931198b7f41678d855\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<style>\r\n.leaderboard { width: 320px; height: 100px; }\r\n@media(min-width: 500px) { .leaderboard { width: 468px; height: 60px; } }\r\n@media(min-width: 800px) { .leaderboard { width: 728px; height: 90px; } }\r\n<\/style>\r\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8329139124199643\" crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle leaderboard\"\r\n     style=\"display:inline-block\"\r\n\t data-full-width-responsive=\"true\"\r\n     data-ad-client=\"ca-pub-8329139124199643\"\r\n     data-ad-slot=\"1972481166\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">While running the VBA code in MS Excel, you may receive the notorious\u00a0\u201c<strong>Compile error: user-defined type not defined<\/strong>.\u201d This runtime error can ruin your working experience. So, in this exclusive post, I will mention the possible causes and quick solutions to solve this error in no time with less effort.<!--more--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9201 aligncenter\" src=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2025\/09\/user-defined-type-not-defined-error-in-Excel.png\" alt=\"User-Defined Type Not Defined Error in Excel \" width=\"406\" height=\"306\" \/><\/p>\n<div style='margin: 8px 0; clear: both;'><div style='background: #eafdeb; padding: 12px;'><p><strong style='font-size: 18px;'>To fix corrupted Excel files, we recommend this tool:<\/strong><\/p><p style='font-size: 17px;'>This software will prevent Excel workbook data such as BI data, financial reports & other analytical information from corruption and data loss. With this software you can rebuild corrupt Excel files and restore every single visual representation & dataset to its original, intact state in 3 easy steps:<\/p><div><ol style='font-size: 17px; margin-top: 4px;'><li><strong><a href='https:\/\/www.repairmsexcel.com\/blog\/free-download-now' target='_blank'>Try Excel File Repair Tool<\/a><\/strong> rated <i>Excellent<\/i> by Softpedia, Softonic & CNET.<\/li><li>Select the corrupt Excel file (XLS, XLSX) & click <b>Repair<\/b> to initiate the repair process.<\/li><li>Preview the repaired files and click <b>Save File<\/b> to save the files at desired location.<\/li><\/ol><\/div><\/div><\/div><br>\n<h2 style=\"text-align: left;\"><strong>What Is User-Defined Type Not Defined Error?<\/strong><\/h2>\n<p style=\"text-align: justify;\">This error message appears when Excel cannot identify a data type or object in your VBA code or macro. Though it usually occurs due to undefined variables, missing references, or incorrect object libraries.<\/p>\n<h3 style=\"text-align: left;\"><strong>Why Does This Error Occur?<\/strong><\/h3>\n<p style=\"text-align: justify;\">Before addressing the error, it\u2019s vital to extract the causes first. Here are the major factors behind this vexing error:<\/p>\n<ol style=\"text-align: justify;\">\n<li>The required library is not enabled in VBA.<\/li>\n<li>Declaring variables without proper data types.<\/li>\n<li>Corrupted workbook or worksheet<\/li>\n<li>Using objects incorrectly.<\/li>\n<\/ol>\n<h2 style=\"text-align: left;\"><strong>How to Fix User-Defined Type Not Defined Error in Excel?<\/strong><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #ff0000;\"><strong>Note<\/strong><\/span>: Try the fixes below carefully, as some of them may hamper your system settings if not performed correctly.<\/p>\n<div class=\"su-note\"  style=\"border-color:#dad9d9;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f4f3f3;border-color:#ffffff;color:#333333;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;\">\n<ol style=\"text-align: justify;\">\n<li>Check the Missing References<\/li>\n<li>Verify VBA Code<\/li>\n<li>Declare Variables Properly<\/li>\n<li>Disabling Faulty Add-ins<\/li>\n<li>Check for Typos<\/li>\n<li>Ultimate Solution- Use Excel Repair<\/li>\n<\/ol>\n<\/div><\/div>\n<h3 style=\"text-align: left;\"><strong>Way 1- Check the Missing References<\/strong><\/h3>\n<p style=\"text-align: justify;\">Incorrect or missing VBA references are the foremost reason for the runtime errors. To check the VBA references and tackle this situation, follow the instructions below carefully:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Open MS Excel.<\/li>\n<li>Next, press\u00a0<strong>Alt + F11<\/strong>keys to open the VBA editor.<\/li>\n<li>Click on the\u00a0<strong>Tools &gt;&gt; References<\/strong>.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2532 size-full\" src=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2019\/08\/tool-and-reference.png\" alt=\"tool and reference\" width=\"596\" height=\"405\" srcset=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2019\/08\/tool-and-reference.png 596w, https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2019\/08\/tool-and-reference-300x204.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/p>\n<ul style=\"text-align: justify;\">\n<li>Find the \u201c<strong>Missing<\/strong>\u201d references &amp; uncheck them.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7610 aligncenter\" src=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2023\/02\/dlaToma.jpg\" alt=\"missing reference\" width=\"445\" height=\"359\" \/><\/p>\n<ul style=\"text-align: justify;\">\n<li>Now, re-add the correct library if required.<\/li>\n<\/ul>\n<blockquote>\n<p style=\"text-align: left;\"><strong><span style=\"color: #ff0000;\">Also Read<\/span>: <\/strong><strong><a href=\"https:\/\/www.repairmsexcel.com\/blog\/excel-compile-error-argument-not-optional\">Excel Compile Error Argument Not Optional FIX \u2013 Stop the Crash!<\/a><\/strong><\/p>\n<\/blockquote>\n<h3 style=\"text-align: left;\"><strong>Way 2- Verify VBA Code<\/strong><\/h3>\n<p style=\"text-align: justify;\">Since you\u2019re getting <strong>Excel compile error: user-defined type not defined<\/strong> while using the VBA code, it is vital to check the code. It might be possible that the missing\/incorrect syntax or code that holds uneven functions can also lead to such errors. All you need to check &amp; correct the VBA code to fix the error.<\/p>\n<h3 style=\"text-align: left;\"><strong>Way 3- Declare Variables Properly<\/strong><\/h3>\n<p style=\"text-align: justify;\">Sometimes, declaring variables without proper data types can cause this error. Therefore, consider declaring variables with explicit data types.<\/p>\n<p style=\"text-align: justify;\"><strong>For illustration:<\/strong><\/p>\n<blockquote>\n<p style=\"text-align: justify;\"><strong><em>Dim ws As Worksheet<\/em><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><em>Dim rng As Range<\/em><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><em>Dim wb As Workbook<\/em><\/strong><\/p>\n<\/blockquote>\n<p style=\"text-align: justify;\">This practice certifies that VBA identifies the objects without confusion.<\/p>\n<h3 style=\"text-align: left;\"><strong>Way 4- Fix User-Defined Type Not Defined Error in Excel by Disabling Faulty Add-ins<\/strong><\/h3>\n<p style=\"text-align: justify;\">You can even check for the faulty installed add-ins &amp; disable them to overcome this situation. Here\u2019s how you can do so:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Launch the Excel application.<\/li>\n<li>Go to the <strong>Options &gt;&gt;Add-ins<\/strong><\/li>\n<li>After that, find a\u00a0<strong>Manager: Excel Add-ins<\/strong> &gt;&gt; click on <strong>Go<\/strong>.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8092 aligncenter\" src=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2021\/10\/excel-opens-in-a-tiny-window-2.png\" alt=\"COM Add-ins\" width=\"666\" height=\"502\" \/><\/p>\n<ul style=\"text-align: justify;\">\n<li>At this time, uncheck Add-ins to turn them off &amp; later enable them.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7915 aligncenter\" src=\"https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2018\/03\/Excel-Add-in-Window.jpg\" alt=\"uncheck all boxes\" width=\"328\" height=\"202\" \/><\/p>\n<blockquote>\n<p style=\"text-align: left;\"><strong><span style=\"color: #ff0000;\">Also Read<\/span>: <\/strong><strong><a href=\"https:\/\/www.repairmsexcel.com\/blog\/fix-excel-compile-error-variable-not-defined\">Excel Compile Error Variable Not Defined? Fix It Instantly with These Tricks!<\/a><\/strong><\/p>\n<\/blockquote>\n<h3 style=\"text-align: left;\"><strong>Way 5- Check for Typos<\/strong><\/h3>\n<p style=\"text-align: justify;\">Simple mistakes can trigger the error, like misspelling a variable or object. Review your code carefully to eliminate such errors.<\/p>\n<h2 style=\"text-align: left;\"><strong>Ultimate Solution- Use Excel Repair <\/strong><\/h2>\n<p style=\"text-align: justify;\">Most of the runtime errors in Microsoft Excel are mainly generated due to file corruption. In this circumstance, try the most reliable and trustworthy <a href=\"https:\/\/www.repairmsexcel.com\/download-excel-repair.php\" target=\"_blank\" rel=\"noopener\"><strong>Excel Repair Tool<\/strong><\/a>. This will help you to <a href=\"https:\/\/www.repairmsexcel.com\/blog\/13-ways-to-repair-corrupt-excel-file\" target=\"_blank\" rel=\"noopener\"><strong>repair the corrupt Excel XLS or XLSX<\/strong><\/a>\u00a0file with 100% integrity.<\/p>\n<p style=\"text-align: justify;\">This software can solve all types of Excel errors &amp; restore all the workbook data, such as\u00a0<strong>tables, charts, cell comments sorts, images, formulas, and filters.<\/strong><\/p>\n<p style=\"text-align: justify;\">The best thing about this tool is that you can even try the free demo version of this software to scan and preview recoverable data from a file.<\/p>\n<center><div style='margin: 5px 15px 15px 0;'><a style='background: #3bc949; border-radius: 25px; color: #ffffff; cursor: pointer; display: inline-block; font-size: 20px; font-weight: 500; padding: 2px 20px; height: 40px; line-height: 40px; vertical-align: middle; white-space: nowrap; text-decoration: none; border: none;' href='https:\/\/www.repairmsexcel.com\/blog\/free-download-now' target='_blank'><span style='color: #ffffff;'><i class='fab fa-windows'><\/i><\/span> Try Now<\/a> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a style='background: #FAB152; border-radius: 25px; color: #ffffff; cursor: pointer; display: inline-block; font-size: 20px; font-weight: 500; padding: 2px 20px; height: 40px; line-height: 40px; vertical-align: middle; white-space: nowrap; text-decoration: none; border: none;' href='https:\/\/www.repairmsexcel.com\/blog\/buy-now' target='_blank'><span style='color: #ffffff;'><i class='fas fa-cart-plus'><\/i><\/span> Buy Now<\/a><\/div><div style='margin: 5px 0 10px 0; font-size: 13px;'><font color='red'>*<\/font> Free version of the product only previews recoverable data.<\/div><\/center>\n<h2 style=\"text-align: left;\"><strong>Frequently Asked Questions:<\/strong><\/h2>\n<p style=\"text-align: justify;\">        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>What Is Meant by User Type?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tA user type is an excellent &amp; predefined category for a specific user within a system that controls their permissions, policies, and access rights, allowing admins to manage &amp; differentiate users based on their role\/purpose.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>How to Fix Sub or Function Not Defined in VBA?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tTo fix SUB or Function not defined in VBA by ensuring that the procedure name is spelled appropriately.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>What Is a User-Defined Example?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tAn example for user-defined is- a complex calculation can be easily programmed using SQL and stored as a UDF.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h3>How to Remove User Restrictions in Excel?<\/h3>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tTo remove data or user restrictions in Microsoft Excel, select the cell(s) with the restrictions, click on the <strong>Data<\/strong> tab &gt;&gt; <strong>Data Validation<\/strong>. After that, select the Clear All option within a dialog box to remove the rules                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t        <section class=\"sc_fs_faq sc_card \">\n            <div>\n\t\t\t\t<h2>How to Enable User-Defined Functions in Excel?<\/h2>                <div>\n\t\t\t\t\t                    <p>\n\t\t\t\t\t\tGo to the Excel Services User-Defined Functions page, then click Add User-Defined Function.                    <\/p>\n                <\/div>\n            <\/div>\n        <\/section>\n\t\t\n<script type=\"application\/ld+json\">\n    {\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What Is Meant by User Type?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"A user type is an excellent &amp; predefined category for a specific user within a system that controls their permissions, policies, and access rights, allowing admins to manage &amp; differentiate users based on their role\/purpose.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How to Fix Sub or Function Not Defined in VBA?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"To fix SUB or Function not defined in VBA by ensuring that the procedure name is spelled appropriately.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What Is a User-Defined Example?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"An example for user-defined is- a complex calculation can be easily programmed using SQL and stored as a UDF.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How to Remove User Restrictions in Excel?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"To remove data or user restrictions in Microsoft Excel, select the cell(s) with the restrictions, click on the <strong>Data<\/strong> tab &gt;&gt; <strong>Data Validation<\/strong>. After that, select the Clear All option within a dialog box to remove the rules\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How to Enable User-Defined Functions in Excel?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Go to the Excel Services User-Defined Functions page, then click Add User-Defined Function.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t    ]\n}\n<\/script>\n\n<h2 style=\"text-align: left;\"><strong>Wrapping Up<\/strong><\/h2>\n<p style=\"text-align: justify;\">Hope the given resolutions work for you to<strong> fix the &#8221; user-defined type not defined error in Excel<\/strong>. Follow them one by one &amp; check which one works for you. Nevertheless, if none of the given manual methods works for you, try the automatic way to fix it easily.<\/p>\n<p style=\"text-align: justify;\">Furthermore, always\u00a0<strong>create a backup of crucial data<\/strong>\u00a0and scan your system with a good antivirus program for virus and malware infection.<\/p>\n<p style=\"text-align: justify;\">Thanks for reading!<\/p>\n<div class=\"su-note\"  style=\"border-color:#dad9d9;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#f4f3f3;border-color:#ffffff;color:#333333;border-radius:2px;-moz-border-radius:2px;-webkit-border-radius:2px;\">\n<p style=\"text-align: justify;\"><strong>External References:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/5028779\/excel-vba-compile-error-user-defined-type-not-defi\" target=\"_blank\" rel=\"noopener\">https:\/\/learn.microsoft.com\/en-us\/answers\/questions\/5028779\/excel-vba-compile-error-user-defined-type-not-defi<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n<br><center><a href='https:\/\/www.repairmsexcel.com\/blog\/free-download-now' title='Try Excel Repair Now'><img src='https:\/\/www.repairmsexcel.com\/blog\/wp-content\/uploads\/2017\/08\/729x120-en.png' \/><\/a><\/center><br>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>While running the VBA code in MS Excel, you may receive the notorious\u00a0\u201cCompile error: user-defined type not defined.\u201d This runtime &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"User-Defined Type Not Defined Error in Excel FIXED Instantly!\" class=\"read-more button\" href=\"https:\/\/www.repairmsexcel.com\/blog\/fix-user-defined-type-not-defined-error#more-9200\" aria-label=\"Read more about User-Defined Type Not Defined Error in Excel FIXED Instantly!\">Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":9202,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[1993,1992],"class_list":["post-9200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-excel-errors","tag-compile-error-user-defined-type-not-defined","tag-user-defined-type-not-defined-error-in-excel","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>User-Defined Type Not Defined Error in Excel FIXED Instantly!<\/title>\n<meta name=\"description\" content=\"Stop wasting time searching for complicated solutions\u2014these simple fixes will solve user-defined type not defined error in Excel &amp; save you hours of debugging.\" \/>\n<meta name=\"robots\" content=\"index, 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