{"id":245030,"date":"2026-10-07T21:34:16","date_gmt":"2026-10-08T02:34:16","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/10\/microsoft-outlook-to-block-msix-attachments-starting-november"},"modified":"2026-10-07T21:34:16","modified_gmt":"2026-10-08T02:34:16","slug":"microsoft-outlook-to-block-msix-attachments-starting-november","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/10\/microsoft-outlook-to-block-msix-attachments-starting-november","title":{"rendered":"Microsoft Outlook to block MSIX attachments starting November"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/microsoft-outlook-to-block-msix-attachments-starting-november.jpg\"><\/a><\/p>\n<p>Microsoft announced that it will add.msix and.msixbundle attachments to the list of blocked attachments in Outlook Web and the new Outlook Windows client starting next month.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft announced that it will add.msix and.msixbundle attachments to the list of blocked attachments in Outlook Web and the new Outlook Windows client starting next month.<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-245030","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/245030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=245030"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/245030\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=245030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=245030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=245030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}