{"id":16450,"date":"2026-05-22T02:02:24","date_gmt":"2026-05-21T17:02:24","guid":{"rendered":"https:\/\/m365jp.net\/?p=16450"},"modified":"2026-05-22T02:06:26","modified_gmt":"2026-05-21T17:06:26","slug":"mc1317836-microsoft-teams-unblock-users-to-send-message-while-file-is-uploading-in-the-background","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-22-mc1317836-microsoft-teams-unblock-users-to-send-message-while-file-is-uploading-in-the-background","title":{"rendered":"MC1317836 | Microsoft Teams: Unblock users to send message while file is uploading in the background"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1317836 | Microsoft Teams: Unblock users to send message while file is uploading in the background<\/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>05\/21\/2026 16:16:15<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/21\/2026 16:16:07<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>07\/30\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[What and Why]<\/b><\/p>\n<p>Users are currently blocked from sending messages in <i>Microsoft Teams<\/i> while a file upload is in progress, which can disrupt real-time collaboration. With this update, file uploads will occur asynchronously in the background, allowing users to continue   sending messages without interruption.<\/p>\n<p>This message is associated with <b>Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=560813\" target=\"_blank\">  560813<\/a><\/b>.<\/p>\n<p><b>[Rollout Schedule]<\/b><\/p>\n<ul>\n<li><b>Targeted Release: <\/b>Rollout will begin in<b> mid-June 2026<\/b> and is expected to complete by  <b>late June 2026<\/b>.<\/li>\n<li><b>General Availability (Worldwide): <\/b>Rollout will begin in<b> late June 2026<\/b> and is expected to complete by<b> late June 2026<\/b>.<\/li>\n<\/ul>\n<p><b>[Impact on Your Organization]<\/b><\/p>\n<p><i>Who is affected<\/i><\/p>\n<p style=\"margin-left: 25px\">All Microsoft Teams users who send files in chats or channels<\/p>\n<p><i>Platforms\/Services<\/i><\/p>\n<ul>\n<li>Microsoft Teams<\/li>\n<li>Desktop (Windows, Mac)<\/li>\n<li>Web<\/li>\n<li>Mobile (iOS, Android)<\/li>\n<\/ul>\n<p><i>What will happen<\/i><\/p>\n<ul>\n<li>Users will be able to send chat messages while files are uploading.<\/li>\n<li>File uploads will occur asynchronously in the background.<\/li>\n<li>The message input box will no longer be blocked during uploads.<\/li>\n<li>There are no changes to how files are stored or shared.<\/li>\n<li>Existing compliance, retention, and security policies remain unchanged.<\/li>\n<li>This feature will be enabled by default for all tenants.<\/li>\n<\/ul>\n<p><b>[Action Required \/ Recommendations]<\/b><\/p>\n<ul>\n<li>No action is required.<\/li>\n<li>Consider informing your users about improved file upload behavior in <i>Teams chats<\/i>.<\/li>\n<li>Update internal training or support documentation if you reference file-sharing workflows.<\/li>\n<\/ul>\n<p><b>[Compliance considerations]<\/b><\/p>\n<p>No compliance considerations identified. Review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p><b>\u3010\u4f55\u3068\u306a\u305c\u3011<\/b><\/p>\n<p>\u73fe\u5728\u3001\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u4e2d\u306f <i>Microsoft Teams<\/i> 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| Microsoft Teams: Unblock users to send message while file is uploading in the background Classific 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