{"id":14621,"date":"2026-01-23T02:01:36","date_gmt":"2026-01-22T17:01:36","guid":{"rendered":"https:\/\/m365jp.net\/?p=14621"},"modified":"2026-01-23T02:06:43","modified_gmt":"2026-01-22T17:06:43","slug":"servicedegradation-ex1220516-exchange-online-users-outlook-for-ios-app-version-5-2602-0-may-crash-or-freeze-on-ipad-devices","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-01-23-servicedegradation-ex1220516-exchange-online-users-outlook-for-ios-app-version-5-2602-0-may-crash-or-freeze-on-ipad-devices","title":{"rendered":"[serviceDegradation] EX1220516 | Exchange Online | Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">EX1220516 | Exchange Online | Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Status<\/th>\n<td class=\"bad\">serviceDegradation<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>incident<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>01\/22\/2026 16:06:46<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>01\/21\/2026 17:49:06<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices<\/p>\n<p>  User impact: Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices.<\/p>\n<p>  More info: Affected users can launch Outlook mobile while in Airplane Mode and then re-enable Wi-Fi and\/or cellular data as a way to circumvent impact while we work towards mitigation.<\/p>\n<p>  Current status: We determined that the latest Outlook for iOS update contains a code error related to a change meant to refresh rather than restart tabs when feature flags are updated, which is resulting in this impact. We\u2019ve developed a code solution for the   next update to address this issue, which we intend to roll out to iOS tomorrow. We\u2019ll provide further updates on this timeline as soon as they become available.<\/p>\n<p>  Scope of impact: This issue may affect all users&#8217; iPad devices using Outlook for iOS version 5.2602.0. This information may be updated as our investigation continues.<\/p>\n<p>  Start time: Tuesday, January 20, 2026, at 11:00 PM UTC<\/p>\n<p>  Root cause: The latest Outlook for iOS update contains a code error related to a change meant to refresh rather than restart tabs when feature flags are updated, which is resulting in this impact.<\/p>\n<p>  Next update by: Thursday, January 22, 2026, at 8:00 PM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u30e6\u30fc\u30b6\u30fc\u306eOutlook\u30a2\u30d7\u30ea\u30d0\u30fc\u30b8\u30e7\u30f35.2602.0\u304ciPad\u30c7\u30d0\u30a4\u30b9\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u307e\u305f\u306f\u30d5\u30ea\u30fc\u30ba\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p>\n<p>  \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u30e6\u30fc\u30b6\u30fc\u306eOutlook\u30a2\u30d7\u30ea\u30d0\u30fc\u30b8\u30e7\u30f35.2602.0\u304ciPad\u30c7\u30d0\u30a4\u30b9\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u307e\u305f\u306f\u30d5\u30ea\u30fc\u30ba\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u8a73\u7d30\u60c5\u5831:\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306f\u6a5f\u5185\u30e2\u30fc\u30c9\u4e2d\u306bOutlook Mobile\u3092\u8d77\u52d5\u3057\u3001\u305d\u306e\u5f8cWi-Fi\u3084\u30bb\u30eb\u30e9\u30fc\u30c7\u30fc\u30bf\u3092\u518d\u5ea6\u6709\u52b9\u306b\u3057\u3066\u3001\u5f71\u97ff\u3092\u56de\u907f\u3057\u3064\u3064\u7de9\u548c\u4f5c\u696d\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>  \u73fe\u72b6:\u6700\u65b0\u306eOutlook for iOS\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u306f\u3001\u6a5f\u80fd\u30d5\u30e9\u30b0\u304c\u66f4\u65b0\u3055\u308c\u305f\u969b\u306b\u30ea\u30bb\u30c3\u30c8\u3067\u306f\u306a\u304f\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308b\u5909\u66f4\u306b\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3001\u3053\u308c\u304c\u3053\u306e\u5f71\u97ff\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u6b21\u56de\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u7528\u306e\u30b3\u30fc\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3057\u3066\u304a\u308a\u3001\u660e\u65e5iOS\u306b\u5c55\u958b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u3053\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306b\u95a2\u3059\u308b\u6700\u65b0\u60c5\u5831\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u6b21\u7b2c\u3001\u3059\u3050\u306b\u304a\u77e5\u3089\u305b\u3057\u307e\u3059\u3002<\/p>\n<p>  \u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u554f\u984c\u306fOutlook for iOS\u30d0\u30fc\u30b8\u30e7\u30f35.2602.0\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306eiPad\u30c7\u30d0\u30a4\u30b9\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u60c5\u5831\u306f\u8abf\u67fb\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u66f4\u65b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u958b\u59cb\u6642\u9593:2026\u5e741\u670820\u65e5\u706b\u66dc\u65e5 23:00 UTC<\/p>\n<p>  \u6839\u672c\u539f\u56e0:\u6700\u65b0\u306eOutlook for iOS\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u306f\u3001\u6a5f\u80fd\u30d5\u30e9\u30b0\u304c\u66f4\u65b0\u3055\u308c\u305f\u969b\u306b\u30bf\u30d6\u3092\u518d\u8d77\u52d5\u305b\u305a\u306b\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\u3059\u308b\u5909\u66f4\u306b\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u304c\u3042\u308a\u3001\u3053\u308c\u304c\u3053\u306e\u5f71\u97ff\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  \u6b21\u56de\u66f4\u65b0\u65e5:2026\u5e741\u670822\u65e5\u6728\u66dc\u65e5 \u5348\u5f8c8\u6642 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>EX1220516 | Exchange Online | Users&#8217; Outlook for iOS app version 5.2602.0 may crash or freeze on iPad de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14621","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/14621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=14621"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/14621\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=14621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=14621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=14621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}