{"id":3542,"date":"2026-09-18T15:06:05","date_gmt":"2026-09-18T15:06:05","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/18\/microsoft-office-2021-support-ends-on-october-13-2026\/"},"modified":"2026-09-18T15:06:08","modified_gmt":"2026-09-18T15:06:08","slug":"microsoft-office-2021-support-ends-on-october-13-2026","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/en\/2026\/09\/18\/microsoft-office-2021-support-ends-on-october-13-2026\/","title":{"rendered":"Microsoft Office 2021: Support Ends on October 13, 2026"},"content":{"rendered":"<div id=\"netgu-3080072435\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>Microsoft is ending official support for the popular standalone suite Office 2021 on October 13, 2026. Because the company reduced the support lifecycle for perpetual versions from roughly ten years down to about five, users will no longer receive security fixes or updates after this cutoff date.<\/p>\n\n<h2>What the End of Support Means for Office 2021<\/h2>\n<p>Support for Office 2016 and Office 2019 already expired on October 14, 2025. With the phase-out of Office 2021, Microsoft is concluding support for another version that is likely still installed on millions of computers. Specifically, the end of product maintenance means:<\/p><div id=\"netgu-3757796930\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ugreen-aluminium-tabletstaender-360-drehbar-hoehenverstellbar\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2825012_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">UGREEN Aluminium Tabletst\u00e4nder | 360\u00b0 Drehbar &amp; H\u00f6henverstellbar<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">16.91 \u20ac<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>20.37 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-17%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature is-hot\">\n\t\t\t\t\t\t\t109\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/train-sim-world-7-starter-pack-kostenlos-fuer-ps4-ps5-xbox-pc\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/capsule_616x353-11-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Train Sim World 7: Starter Pack kostenlos f\u00fcr PS4, PS5, Xbox, PC<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/kostenlose-emote-im-clash-royale-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/share-image-clashroyale-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Kostenlose Emote im Clash Royale-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/gratis-forschungssuppe-im-clash-of-clans-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2839474_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Gratis Forschungssuppe im Clash of Clans-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/the-clockwork-scarab-stoker-and-holmes-book-1-kindle-edition\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/4982769_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">The Clockwork Scarab (Stoker and Holmes Book 1) \u2013 Kindle Edition<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>0.01 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-100%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n<ul>\n<li>No more bug fixes or security updates addressing newly discovered vulnerabilities, viruses, and spyware.<\/li>\n<li>Technical customer support via phone or chat will be discontinued entirely.<\/li>\n<li>Online help documentation will be phased out and no longer updated.<\/li>\n<\/ul>\n<p>With the lack of security-critical patches, the risk of vulnerabilities and malware will gradually increase past the cutoff date.<\/p>\n\n<h2>Upgrading to Office 2024 or Microsoft 365<\/h2>\n<p>Those who want to stick with Microsoft&#8217;s productivity suite have several options. For one, the company offers the Microsoft 365 subscription model. While it comes with ongoing annual costs, it ensures continuous access to the latest software version and includes 1 TB of cloud storage on OneDrive, among other perks. The subscription is available as an individual license or as a Family plan for up to six people.<\/p>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/9zmYUH34wbClYIgeKPiri1b3i7WBTAq1\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvNDFPa0hsOGNDWUwuX1NMNTAwXy5qcGc\" alt=\"Microsoft 365 Single | 1 Jahr | 1 Person | Office Apps mit KI | 1 TB Cloudspeicher | Abo mit automatischer Verl\u00e4ngerung\" width=\"500\" height=\"500\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">Microsoft<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">Microsoft 365 Single | 1 Jahr | 1 Person | Office Apps mit KI | 1 TB Cloudspeicher | Abo mit automatischer Verl\u00e4ngerung<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Currently unavailable<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n<p>For users looking to avoid recurring subscription fees, Microsoft Office 2024 provides a newer perpetual license (available in Home or Home &amp; Student editions, among others). Following the five-year lifecycle, Microsoft will support Office 2024 until October 9, 2029.<\/p>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/6pi0XO9sxOS584bPq0pOf1rxK1K9dCgo\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvNDExUnpWdFY4NkwuX1NMNTAwXy5qcGc\" alt=\"Microsoft Office 2024 Professional Plus | Vollversion\" width=\"500\" height=\"500\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">Microsoft<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">Microsoft Office 2024 Professional Plus | Vollversion<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Currently unavailable<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n\n<h2>Paid Extensions and Free Alternatives<\/h2>\n<p>The 0Patch service offers an unofficial way to continue using the software safely. The company delivers so-called micropatches\u2014small security fixes applied directly into running processes without modifying binary files or requiring system reboots. Through this service, support for Office 2016, 2019, and 2021 can be extended by three years. Costs stand at around 30 euros per PC per year for personal use and roughly 42 euros for businesses.<\/p>\n<p>For everyday office tasks in home environments, open-source programs such as LibreOffice or OpenOffice are also viable options. Other solutions are entering the market as well: with offerings like <a href=\"https:\/\/netguide.io\/news\/de\/2026\/09\/16\/euro-office-europaische-microsoft-365-alternative-startet-als-desktop-app\/\" rel=\"nofollow noopener\">Euro-Office as a Microsoft 365 alternative<\/a>, additional desktop options are emerging for users who want to break away from existing ecosystems.<\/p>\n<p><em>Sources: <a href=\"https:\/\/www.chip.de\/news\/software\/das-ende-fuer-office-5-jahres-regel-zwingt-millionen-nutzer-zum-umstieg_72612835-9ab9-4b33-a7d9-05c2f9cec898.html\" rel=\"nofollow noopener\" target=\"_blank\">Chip.de<\/a><\/em><\/p><div id=\"netgu-2271863297\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Microsoft will end support for Office 2021 on October 13, 2026. Without security updates, risks loom\u2014here are the options users have now.<\/p>\n","protected":false},"author":1,"featured_media":3539,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[430],"tags":[1520,2853,2852,1325,1240],"class_list":["post-3542","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-en","tag-microsoft-en","tag-office-2021-en","tag-office-2024-en","tag-security-update-en","tag-software-en"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=3542"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3542\/revisions"}],"predecessor-version":[{"id":3543,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3542\/revisions\/3543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/3539"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=3542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=3542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=3542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}