{"id":18001,"date":"2026-08-22T08:08:56","date_gmt":"2026-08-21T23:08:56","guid":{"rendered":"https:\/\/m365jp.net\/?p=18001"},"modified":"2026-08-22T08:10:01","modified_gmt":"2026-08-21T23:10:01","slug":"mc1459131-microsoft-teams-prepare-custom-apps-for-private-and-shared-channel-compatibility","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-08-22-mc1459131-microsoft-teams-prepare-custom-apps-for-private-and-shared-channel-compatibility","title":{"rendered":"MC1459131 | Microsoft Teams: Prepare custom apps for private and shared channel compatibility"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1459131 | Microsoft Teams: Prepare custom apps for private and shared channel compatibility<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>stayInformed<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>08\/21\/2026 22:36:55<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>08\/21\/2026 22:36:38<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>11\/30\/2026 08:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p>[What and Why:]<\/p>\n<p>Microsoft will begin rolling out a new feature in Teams<br \/>  admin center that helps admins identify custom line-of-business (LOB) apps that<br \/>  need updates to work in private and shared channels. Taking action now will<br \/>  help organizations ensure apps are available in these channels and work<br \/>  smoothly across evolving channel experiences.<\/p>\n<p>This message is associated with Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/en-us\/microsoft-365\/roadmap?rtc=1%26filters%3D&amp;searchterms=569019#Roadmap\" target=\"_blank\">  569019<\/a><\/p>\n<p>[Rollout Schedule:]<\/p>\n<p>General Availability (Worldwide): We will begin rolling out on early September 2026 and expect to complete by late September 2026.<\/p>\n<p><b>[Impact on your organization:]<\/b><\/p>\n<p>If apps are not updated to support private and shared<br \/>  channels, users may be unable to access those app experiences in these channels<br \/>  until the required updates are completed. <\/p>\n<p><b>Why this is<br \/>  important:<\/b> <\/p>\n<ul>  <\/p>\n<li><b>Business<br \/>  continuity:<\/b><b> <\/b>As organizations adopt private and<br \/>  shared channels, updating LOB apps helps reduce the risk of app access<br \/>  gaps across channels. <\/li>\n<p>  <\/p>\n<li><b>Lower<br \/>  operational overhead:<\/b><b> <\/b>Completing these updates early can help<br \/>  reduce admin escalations, helpdesk tickets, and reactive fixes. <\/li>\n<\/ul>\n<p><b>What you can expect<\/b> <\/p>\n<p>Admins will be able to view a list of custom LOB apps that<br \/>  are not compatible with private and shared channels in the Teams admin center<br \/>  under <b>Teams apps &gt; Manage apps<\/b>.<\/p>\n<p><img decoding=\"async\" style=\"width: 400px\" src=\"https:\/\/support.microsoft.com\/en-us\/customercomms\/media\/messagecenter\/2026\/08\/21622.png\">  <\/p>\n<p>Guidance is available now, enabling organizations to work<br \/>  with custom LOB app developers to plan and complete the required updates.<br \/>  Developers can review the <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/platform\/build-apps-for-shared-private-channels?tabs=tabs%2Cexternal-users%2Csharedchannel\">  documented<br \/>  requirements<\/a>, update their apps, and validate supported scenarios. <\/p>\n<p>[Action Required \/ Recommendations:]<\/p>\n<ul>\n<li>Review custom apps used in team and channel<br \/>  scenarios across your organization. <\/li>\n<li>Ask your app developers to complete the required<br \/>  updates for private\/shared channel scenarios. <\/li>\n<li>Validate that updated apps continue to support<br \/>  the scenarios your users rely on. <\/li>\n<\/ul>\n<p><b>Learn more:<\/b> <\/p>\n<p><a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/platform\/build-apps-for-shared-private-channels?tabs=tabs%2Cexternal-users%2Csharedchannel\">Teams<br \/>  connects shared and private channels &#8211; Teams | Microsoft Learn<\/a> <\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p>[\u4f55\u3068\u306a\u305c:]<\/p>\n<p>Microsoft\u306fTeams\u3067\u65b0\u6a5f\u80fd\u306e\u5c55\u958b\u3092\u958b\u59cb\u3057\u307e\u3059<br \/>  \u7ba1\u7406\u8005\u304c\u30ab\u30b9\u30bf\u30e0\u30e9\u30a4\u30f3\u30aa\u30d6\u30d3\u30b8\u30cd\u30b9(LOB)\u30a2\u30d7\u30ea\u3092\u7279\u5b9a\u3059\u308b\u306e\u3092\u652f\u63f4\u3059\u308b\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc<br \/>  \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30c1\u30e3\u30f3\u30cd\u30eb\u3068\u5171\u6709\u30c1\u30e3\u30f3\u30cd\u30eb\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u4eca\u884c\u52d5\u3092\u8d77\u3053\u3059\u3053\u3068\u304c\u3001<br \/>  \u7d44\u7e54\u304c\u3053\u308c\u3089\u306e\u30c1\u30e3\u30cd\u30eb\u3067\u30a2\u30d7\u30ea\u304c\u5229\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u5b9f\u306b\u3057\u3001\u6a5f\u80fd\u3055\u305b\u308b\u306e\u3092\u652f\u63f4\u3057\u307e\u3059<br \/>  \u9032\u5316\u3059\u308b\u30c1\u30e3\u30cd\u30eb\u4f53\u9a13\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u9032\u3081\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306fMicrosoft 365\u30ed\u30fc\u30c9\u30de\u30c3\u30d7ID\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059 <a href=\"https:\/\/www.microsoft.com\/en-us\/microsoft-365\/roadmap?rtc=1%26filters%3D&amp;searchterms=569019#Roadmap\" target=\"_blank\">  569019<\/a><\/p>\n<p>[\u5c55\u958b\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb:]<\/p>\n<p>\u4e00\u822c\u516c\u958b(\u4e16\u754c):2026\u5e749\u6708\u521d\u65ec\u306b\u5c55\u958b\u3092\u958b\u59cb\u3057\u30019\u6708\u4e0b\u65ec\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p><b>[\u7d44\u7e54\u3078\u306e\u5f71\u97ff:]<\/b><\/p>\n<p>\u30a2\u30d7\u30ea\u304c\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3068\u5171\u6709\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3051\u308c\u3070<br \/>  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