{"id":13455,"date":"2026-06-05T09:21:21","date_gmt":"2026-06-05T07:21:21","guid":{"rendered":"https:\/\/flyingsupporter.ch\/?p=13455"},"modified":"2026-06-05T10:51:57","modified_gmt":"2026-06-05T08:51:57","slug":"microsoft-restreint-lacces-aux-anciennes-licences-office-lexpiration-des-certificats-concerne-office-pour-mac-2019-et-2021","status":"publish","type":"post","link":"https:\/\/flyingsupporter.ch\/fr\/2026\/06\/05\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\/","title":{"rendered":"Microsoft restreint l'utilisation des anciennes licences Office : l'expiration des certificats concerne Office pour Mac 2019 et 2021"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13455\" class=\"elementor elementor-13455\" 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__width-inherit 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><strong>Les utilisateurs de Microsoft Office pour Mac 2019 et Office pour Mac 2021 doivent \u00eatre vigilants au cours des prochaines semaines. Microsoft a annonc\u00e9 qu'un certificat num\u00e9rique important pour la v\u00e9rification de la licence arrive \u00e0 expiration. Sans mise \u00e0 jour effectu\u00e9e \u00e0 temps, cela peut emp\u00eacher l'activation correcte des applications Office ou limiter leur utilisation.<\/strong><\/p>\n<p>Les utilisateurs de licences permanentes classiques qui n'ont pas opt\u00e9 pour un abonnement Microsoft 365 sont particuli\u00e8rement concern\u00e9s.<br \/><br \/><\/p>\n<h4>Que s'est-il pass\u00e9 ?<\/h4>\n<p>Microsoft utilise des certificats num\u00e9riques pour v\u00e9rifier l'authenticit\u00e9 des composants logiciels et la validit\u00e9 des licences. Si un tel certificat expire, Office ne peut plus d\u00e9terminer de mani\u00e8re fiable si une licence est valide.<\/p>\n<p>Sont notamment concern\u00e9s :<\/p>\n<ul>\n<li>Microsoft Office pour Mac 2019<\/li>\n<li>Microsoft Office pour Mac 2021<\/li>\n<\/ul>\n<p><br \/>Alors que Microsoft 365 est r\u00e9guli\u00e8rement mis \u00e0 jour et re\u00e7oit automatiquement de nouveaux certificats, les utilisateurs des anciennes versions achet\u00e9es doivent s'assurer eux-m\u00eames que les derni\u00e8res mises \u00e0 jour sont bien install\u00e9es.<br \/><br \/><\/p>\n<h4>Date butoir : 13 juillet 2026<\/h4>\n<p>Le point suivant est particuli\u00e8rement important : <strong>13 juillet 2026<\/strong>. \u00c0 cette date, le certificat utilis\u00e9 jusqu'\u00e0 pr\u00e9sent pour la validation de la licence arrive \u00e0 expiration.<\/p>\n<p>Pour les utilisateurs de <strong>Office 2019 pour Mac<\/strong> cela peut avoir des cons\u00e9quences importantes. Le support de cette version ayant d\u00e9j\u00e0 pris fin, Microsoft ne propose plus de mise \u00e0 jour avec un nouveau certificat. Apr\u00e8s la date butoir, les applications passeront en mode de fonctionnement restreint. Il sera toujours possible d'ouvrir et d'imprimer des documents, mais il ne sera plus possible de les modifier, de les enregistrer ou de cr\u00e9er de nouveaux fichiers.<\/p>\n<p>Les utilisateurs de <strong>Office 2021 pour Mac<\/strong> peuvent en revanche \u00e9viter ce probl\u00e8me \u00e0 condition d'installer les derni\u00e8res mises \u00e0 jour. Celles-ci contiennent d\u00e9j\u00e0 les modifications n\u00e9cessaires pour le nouveau certificat.<br \/><br \/><\/p>\n<h4>Quelles pourraient \u00eatre les cons\u00e9quences ?<\/h4>\n<p>Selon la version d'Office utilis\u00e9e et l'\u00e9tat des mises \u00e0 jour, les probl\u00e8mes suivants peuvent survenir :<\/p>\n<ul>\n<li>Erreur d'activation lors du d\u00e9marrage des applications Office<\/li>\n<li>Messages d'erreur lors de la v\u00e9rification de la licence<\/li>\n<li>Probl\u00e8mes lors des nouvelles installations<\/li>\n<li>Restrictions concernant l'utilisation de certaines fonctions<\/li>\n<li>Passage en mode lecture restreinte<\/li>\n<\/ul>\n<p><br \/>Cela rev\u00eat une importance particuli\u00e8re pour les entreprises qui utilisent encore activement d'anciennes versions d'Office ou qui disposent d'appareils de secours \u00e9quip\u00e9s de versions plus anciennes.<br \/><br \/><\/p>\n<h4>Que recommande Microsoft ?<\/h4>\n<p>Microsoft recommande d'installer rapidement toutes les mises \u00e0 jour disponibles pour Office pour Mac.<\/p>\n<p>Il est conseill\u00e9 de suivre les \u00e9tapes suivantes :<\/p>\n<ol>\n<li>Mettre \u00e0 jour Office vers la derni\u00e8re version disponible.<\/li>\n<li>Avant de proc\u00e9der \u00e0 une nouvelle installation, utilisez les fichiers d'installation actuels.<\/li>\n<li>Consigner les informations relatives \u00e0 la licence et les identifiants d'acc\u00e8s.<\/li>\n<li>V\u00e9rifiez si la version de macOS que vous utilisez prend en charge les derni\u00e8res mises \u00e0 jour d'Office.<\/li>\n<li>Le cas \u00e9ch\u00e9ant, pr\u00e9voyez de passer \u00e0 Microsoft 365 ou \u00e0 une version plus r\u00e9cente d'Office.<\/li>\n<\/ol>\n<h4><br \/>Pourquoi cela concerne-t-il principalement les licences permanentes ?<\/h4>\n<p>Les licences permanentes sont souvent utilis\u00e9es pendant de nombreuses ann\u00e9es et ne font g\u00e9n\u00e9ralement plus l'objet de mises \u00e0 jour techniques majeures. D\u00e8s que le support prend fin, m\u00eame des \u00e9l\u00e9ments essentiels tels que les certificats ne sont plus mis \u00e0 jour.<\/p>\n<p>Depuis des ann\u00e9es, Microsoft poursuit une strat\u00e9gie ax\u00e9e sur Microsoft 365. Des mises \u00e0 jour de s\u00e9curit\u00e9, des certificats et des am\u00e9liorations fonctionnelles y sont fournis en continu. En revanche, les utilisateurs de versions achet\u00e9es plus anciennes doivent s'attendre \u00e0 des restrictions techniques d\u00e8s que le support prend fin.<br \/><br \/><\/p>\n<h4>Que devraient faire les entreprises \u00e0 l'heure actuelle ?<\/h4>\n<p>Les responsables informatiques devraient v\u00e9rifier sans tarder quelles versions d'Office sont install\u00e9es sur leurs syst\u00e8mes Mac.<\/p>\n<p>Il convient notamment de r\u00e9pondre aux questions suivantes :<\/p>\n<ul>\n<li>Utilise-t-on encore Office 2019 pour Mac ?<\/li>\n<li>Toutes les installations d'Office 2021 sont-elles \u00e0 jour ?<\/li>\n<li>Existe-t-il des appareils de r\u00e9serve ou de remplacement correspondant \u00e0 des versions d'installation plus anciennes ?<\/li>\n<li>La version de macOS utilis\u00e9e est-elle toujours compatible avec les derni\u00e8res mises \u00e0 jour d'Office ?<\/li>\n<\/ul>\n<p><br \/>En v\u00e9rifiant ces points \u00e0 temps, on peut \u00e9viter les pannes et les interventions du service d'assistance.<\/p>\n<p><br \/>Expiration du certificat Microsoft le <strong>13 juillet 2026<\/strong> marque une date importante pour les utilisateurs d'Office pour Mac. Alors que <strong>Office 2021 pour Mac<\/strong> peut continuer \u00e0 \u00eatre utilis\u00e9 sans probl\u00e8me gr\u00e2ce aux derni\u00e8res mises \u00e0 jour, les utilisateurs de <strong>Office 2019 pour Mac<\/strong> des restrictions importantes, car cette version ne b\u00e9n\u00e9ficie plus de mises \u00e0 jour de certificats.<\/p>\n<p>Les entreprises et les particuliers devraient donc v\u00e9rifier leurs installations en temps utile et, le cas \u00e9ch\u00e9ant, pr\u00e9voir une migration vers une version prise en charge d'Office ou vers Microsoft 365. En agissant d\u00e8s maintenant, vous \u00e9viterez les mauvaises surprises apr\u00e8s la date butoir.<\/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-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 \u2013 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>Pour beaucoup, les vacances d'\u00e9t\u00e9 sont la plus belle p\u00e9riode de l'ann\u00e9e. Qu'il s'agisse de vacances \u00e0 la plage, d'une escapade citadine ou d'un s\u00e9jour en camping \u00e0 la montagne, on emporte presque toujours son smartphone, sa tablette et son ordinateur portable. Mais pendant que nous nous d\u00e9tendons, les cybercriminels en profitent pour s'emparer de nos donn\u00e9es personnelles.<\/p>","protected":false},"author":24,"featured_media":13456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[95,74,77,73],"tags":[],"post_folder":[138],"class_list":["post-13455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-empfehlungen","category-news","category-sicherheit","category-technik"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Die Sommerferien sind f\u00fcr viele die sch\u00f6nste Zeit des Jahres. 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Ob Strandurlaub, St\u00e4dtereise oder Camping in den Bergen \u2013 Smartphone, Tablet und Laptop sind fast immer mit dabei. Doch w\u00e4hrend wir entspannen, nutzen Cyberkriminelle die Gelegenheit, um an pers\u00f6nliche Daten zu gelangen.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/flyingsupporter.ch\/wp-content\/uploads\/2021\/07\/favcicon3-1.png\" \/>\n\t\t<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t\t<meta name=\"twitter:data1\" content=\"Harry Fontana\" \/>\n\t\t<meta name=\"twitter:label2\" content=\"Estimation du temps de lecture\" \/>\n\t\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#blogposting\",\"name\":\"Microsoft schr\\u00e4nkt alte Office-Lizenzen ein: Zertifikatsablauf betrifft Office f\\u00fcr Mac 2019 und 2021 \\u00bb Flyingsupporter GmbH\",\"headline\":\"Microsoft schr\\u00e4nkt alte Office-Lizenzen ein: Zertifikatsablauf betrifft Office f\\u00fcr Mac 2019 und 2021\",\"author\":{\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/author\\\/harry-fontana\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/flyingsupporter.ch\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/markusspiske-laptop-1742462_1280.webp\",\"width\":1280,\"height\":853},\"datePublished\":\"2026-06-05T09:21:21+02:00\",\"dateModified\":\"2026-06-05T10:51:57+02:00\",\"inLanguage\":\"fr-FR\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#webpage\"},\"articleSection\":\"Empfehlungen, News, Sicherheit, Technik, 2026\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/category\\\/technik\\\/#listItem\",\"name\":\"Technik\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/category\\\/technik\\\/#listItem\",\"position\":2,\"name\":\"Technik\",\"item\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/category\\\/technik\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#listItem\",\"name\":\"Microsoft schr\\u00e4nkt alte Office-Lizenzen ein: Zertifikatsablauf betrifft Office f\\u00fcr Mac 2019 und 2021\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/2026\\\/06\\\/05\\\/microsoft-schraenkt-alte-office-lizenzen-ein-zertifikatsablauf-betrifft-office-fuer-mac-2019-und-2021\\\/#listItem\",\"position\":3,\"name\":\"Microsoft schr\\u00e4nkt alte Office-Lizenzen ein: Zertifikatsablauf betrifft Office f\\u00fcr Mac 2019 und 2021\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/category\\\/technik\\\/#listItem\",\"name\":\"Technik\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/flyingsupporter.ch\\\/fr\\\/#organization\",\"name\":\"Flying Supporter GmbH\",\"description\":\"IT L\\u00f6sungen f\\u00fcr Ihr KMU. 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