{"id":12810,"date":"2026-03-10T10:42:18","date_gmt":"2026-03-10T09:42:18","guid":{"rendered":"https:\/\/flyingsupporter.ch\/?p=12810"},"modified":"2026-03-10T13:34:35","modified_gmt":"2026-03-10T12:34:35","slug":"fin-de-service-pour-microsoft-office-2021-ce-qui-est-important-maintenant","status":"publish","type":"post","link":"https:\/\/flyingsupporter.ch\/fr\/2026\/03\/10\/end-of-service-fuer-microsoft-office-2021-was-jetzt-wichtig-ist\/","title":{"rendered":"Fin de service pour Microsoft Office 2021 - Ce qui est important maintenant"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12810\" class=\"elementor elementor-12810\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52adb76 e-flex e-con-boxed e-con e-parent\" data-id=\"52adb76\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-68f15df e-con-full e-flex e-con e-child\" data-id=\"68f15df\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-44cba34 e-con-full e-flex e-con e-child\" data-id=\"44cba34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48725cb elementor-widget elementor-widget-text-editor\" data-id=\"48725cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Microsoft Office 2021 fait partie des versions d'achat classiques de la suite Office. Contrairement \u00e0 Microsoft 365, cette version ne re\u00e7oit des mises \u00e0 jour que pendant une p\u00e9riode d\u00e9termin\u00e9e. Ce support prend fin le <span class=\"s1\"><b>13 octobre 2026<\/b><\/span>. Apr\u00e8s cette date, Microsoft ne fournira plus de mises \u00e0 jour de s\u00e9curit\u00e9, de corrections de bugs ou de support technique.<\/p><p class=\"p1\">Pour les entreprises et les organisations, cela signifie que quiconque continuera \u00e0 utiliser Office 2021 apr\u00e8s cette date travaillera avec un logiciel qui ne sera plus pris en charge.<\/p><p class=\"p3\">\u00a0<\/p><h4><b>Que signifie concr\u00e8tement la fin du support ?<\/b><\/h4><p class=\"p1\">Avec la fin de service, la maintenance officielle par Microsoft prend fin. Cela concerne toutes les applications de la suite, dont<\/p><ul><li><p class=\"p1\">Word<\/p><\/li><li><p class=\"p1\">Excel<\/p><\/li><li><p class=\"p1\">PowerPoint<\/p><\/li><li><p class=\"p1\">Outlook<\/p><\/li><li><p class=\"p1\">OneNote<\/p><\/li><\/ul><p class=\"p1\">Les programmes continuent certes de fonctionner sur le syst\u00e8me existant, mais sans plus de mises \u00e0 jour ou de support de la part du fabricant.<\/p><p class=\"p1\"><strong>Concr\u00e8tement, cela signifie<\/strong><\/p><ul><li><p class=\"p1\"><span class=\"s1\"><b>Plus de mises \u00e0 jour de s\u00e9curit\u00e9<\/b><\/span> en cas de d\u00e9couverte de nouvelles vuln\u00e9rabilit\u00e9s<\/p><\/li><li><p class=\"p1\"><span class=\"s1\"><b>Pas de corrections de bugs<\/b><\/span> en cas de probl\u00e8mes ou d'erreurs de logiciel<\/p><\/li><li><p class=\"p1\"><b>Pas d'assistance technique<\/b><span class=\"s1\"> par Microsoft<\/span><\/p><\/li><li><p class=\"p1\"><b>Pas d'adaptation aux nouveaux syst\u00e8mes d'exploitation ou services<\/b><\/p><\/li><\/ul><p>\u00a0<\/p><p class=\"p3\">\u00a0<\/p><h4><b>Quels sont les risques qui en d\u00e9coulent ?<\/b><\/h4><p class=\"p1\">La poursuite de l'exploitation de logiciels qui ne sont plus pris en charge comporte plusieurs risques.<\/p><p class=\"p4\"><b>Failles de s\u00e9curit\u00e9<br \/><\/b><b><\/b>Les nouvelles vuln\u00e9rabilit\u00e9s ne sont plus combl\u00e9es. Cela augmente le risque de logiciels malveillants ou d'attaques cibl\u00e9es.<\/p><p class=\"p4\"><b>Probl\u00e8mes de compatibilit\u00e9<br \/><\/b><b><\/b>Avec les futures versions de Windows ou les nouveaux services cloud, il est possible que des restrictions ou des probl\u00e8mes de fonctionnement surviennent.<\/p><p class=\"p4\"><b>Manque de support du fabricant<br \/><\/b><b><\/b>En cas de probl\u00e8mes techniques, il n'y a plus de mises \u00e0 jour officielles ni de demandes d'assistance.<\/p><p class=\"p4\"><b>Conformit\u00e9 et politiques informatiques<br \/><\/b><b><\/b>De nombreuses entreprises et industries r\u00e9glement\u00e9es exigent l'utilisation de versions de logiciels prises en charge.<\/p><p class=\"p3\">\u00a0<\/p><h4><b>Quelles sont les alternatives ?<\/b><\/h4><p class=\"p1\">Les organisations devraient planifier \u00e0 temps comment elles souhaitent continuer \u00e0 travailler apr\u00e8s la fin du support.<\/p><p><b><br \/>Microsoft 365<\/b><\/p><p class=\"p1\">La solution la plus utilis\u00e9e est le passage \u00e0 <span class=\"s1\"><b>Microsoft 365<\/b><\/span>. Il s'agit d'un mod\u00e8le d'abonnement avec des applications Office constamment mises \u00e0 jour.<\/p><p class=\"p1\"><strong>Avantages :<\/strong><\/p><ul><li><p class=\"p1\">des fonctions toujours actuelles<\/p><\/li><li><p class=\"p1\">mises \u00e0 jour de s\u00e9curit\u00e9 en cours<\/p><\/li><li><p class=\"p1\">Collaboration en temps r\u00e9el<\/p><\/li><li><p class=\"p1\">Int\u00e9gration avec OneDrive, SharePoint et Microsoft Teams<\/p><\/li><\/ul><p><b><br \/>Nouvelle version d'Office \u00e0 acheter<\/b><\/p><p class=\"p1\">Il est \u00e9galement possible d'acheter une version plus r\u00e9cente comme <span class=\"s1\"><b>Office 2024<\/b><\/span> peut \u00eatre utilis\u00e9e. Celle-ci offre une p\u00e9riode d'assistance plus longue, mais \u00e9galement sans mise \u00e0 jour continue des fonctionnalit\u00e9s.<br \/><br \/><\/p><h4><b>Quand faut-il commencer \u00e0 planifier ?<\/b><\/h4><p class=\"p1\">Une migration ne devrait pas commencer juste avant la fin du support. Dans de nombreuses entreprises, plusieurs points doivent \u00eatre examin\u00e9s avant de proc\u00e9der \u00e0 une migration :<\/p><ul><li><p class=\"p1\">macros et add-ins existants<\/p><\/li><li><p class=\"p1\">Compatibilit\u00e9 avec les applications sp\u00e9cialis\u00e9es<\/p><\/li><li><p class=\"p1\">Strat\u00e9gie de licence<\/p><\/li><li><p class=\"p1\">D\u00e9ploiement et formation des collaborateurs<\/p><\/li><\/ul><p class=\"p1\">Selon la taille de l'entreprise, une conversion compl\u00e8te peut prendre plusieurs mois.<\/p><p class=\"p1\"><br \/>Avec le <span class=\"s1\"><b>Fin de service de Microsoft Office 2021 le 13 octobre 2026<\/b><\/span> le support officiel pour cette version prend fin. Apr\u00e8s cette date, il n'y aura plus de mises \u00e0 jour de s\u00e9curit\u00e9 ou de corrections de bugs.<\/p><p class=\"p1\">Les entreprises devraient donc v\u00e9rifier \u00e0 temps si un passage \u00e0 <span class=\"s1\"><b>Microsoft 365 ou une version plus r\u00e9cente d'Office<\/b><\/span>est judicieuse. Une planification en temps utile permet de garantir la s\u00e9curit\u00e9, la stabilit\u00e9 et la compatibilit\u00e9 de l'environnement de travail \u00e0 long terme.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3187927 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3187927\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e20699 elementor-blockquote--skin-boxed elementor-blockquote--align-center elementor-widget elementor-widget-blockquote\" data-id=\"5e20699\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"blockquote.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote class=\"elementor-blockquote\">\n\t\t\t<p class=\"elementor-blockquote__content\">\n\t\t\t\t<b>Votre partenaire pour les produits Microsoft Office - Flying Supporter<br><br><\/b> <b><a href=\"https:\/\/flyingsupporter.ch\/fr\/contact-equipe\/#form\">Vous avez des questions<\/a>?<\/b>\n<br>Nous nous ferons un plaisir de vous aider.\t\t\t<\/p>\n\t\t\t\t\t<\/blockquote>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-605597d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"605597d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/flyingsupporter.ch\/fr\/contact-equipe\/#form\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous maintenant<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Microsoft Office 2021 fait partie des versions d'achat classiques de la suite Office. Contrairement \u00e0 Microsoft 365, cette version ne re\u00e7oit des mises \u00e0 jour que pendant une p\u00e9riode d\u00e9termin\u00e9e. Ce support prend fin le 13 octobre 2026, date \u00e0 laquelle Microsoft ne fournira plus de mises \u00e0 jour de s\u00e9curit\u00e9, de corrections de bugs ou de support technique.<\/p>","protected":false},"author":30,"featured_media":12815,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[95,74,77],"tags":[],"post_folder":[138],"class_list":["post-12810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-empfehlungen","category-news","category-sicherheit"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Microsoft Office 2021 geh\u00f6rt zu den klassischen Kaufversionen der Office-Suite. Anders als Microsoft 365 erh\u00e4lt diese Version nur w\u00e4hrend eines festgelegten Zeitraums Updates. Dieser Support endet am 13. Oktober 2026. 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Anders als Microsoft 365 erh\u00e4lt diese Version nur w\u00e4hrend eines festgelegten Zeitraums Updates. Dieser Support endet am 13. Oktober 2026. 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