(Updated) Microsoft Teams: Unblock users to send message while file is uploading in the background

Microsoft Teams will allow users to send messages while files upload asynchronously in the background, improving real-time collaboration. The rollout starts early August 2026 for targeted release and mid-August 2026 for general availability, with no changes to compliance or file storage. No action is required.

2026-06-29T16:17:36.710Z

<p>Updated June 29, 2026: We have updated the timeline. Thank you for your patience.&nbsp;</p><p><b>[What and Why]</b></p><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><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><p><b>[Rollout Schedule]</b></p><ul><li><b>Targeted Release: </b>Rollout will begin in<b>&nbsp;early August 2026 </b>(previously early July)&nbsp;and is expected to complete by <b>mid-August 2026</b> (previously&nbsp;mid-July).</li><li><b>General Availability (Worldwide): </b>Rollout will begin in<b>&nbsp;mid-August 2026 </b>(previously mid-July)&nbsp;and is expected to complete by<b>&nbsp;late August 2026 </b>(previously late July).</li></ul><p><b>[Impact on Your Organization]</b></p><p><i>Who is affected</i></p><p style="margin-left: 25px;">All Microsoft Teams users who send files in chats or channels</p><p><i>Platforms/Services</i></p><ul><li>Microsoft Teams</li><li>Desktop (Windows, Mac)</li><li>Web</li><li>Mobile (iOS, Android)</li></ul><p><i>What will happen</i></p><ul><li>Users will be able to send chat messages while files are uploading.</li><li>File uploads will occur asynchronously in the background.</li><li>The message input box will no longer be blocked during uploads.</li><li>There are no changes to how files are stored or shared.</li><li>Existing compliance, retention, and security policies remain unchanged.</li><li>This feature will be enabled by default for all tenants.</li></ul><p><b>[Action Required / Recommendations]</b></p><ul><li>No action is required.</li><li>Consider informing your users about improved file upload behavior in <i>Teams chats</i>.</li><li>Update internal training or support documentation if you reference file-sharing workflows.</li></ul><p><b>[Compliance considerations]</b></p><p>No compliance considerations identified. Review as appropriate for your organization.</p>

(Updated) Microsoft Teams: Unblock users to send message while file is uploading in the background

Microsoft Teams will allow users to send messages while files upload asynchronously in the background, improving real-time collaboration. This update, rolling out from July to late July 2026, affects all platforms and requires no action. Compliance and file-sharing policies remain unchanged.

2026-05-28T15:56:39.910Z

Updated message,New feature,User impact,Admin impact

<p>Updated May 28, 2026: We have updated the timeline. Thank you for your patience.&nbsp;</p><p><b>[What and Why]</b></p><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><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><p><b>[Rollout Schedule]</b></p><ul><li><b>Targeted Release: </b>Rollout will begin in<b>&nbsp;early July 2026 </b>(previously mid-June)&nbsp;and is expected to complete by <b>mid-July 2026</b> (previously&nbsp;late June).</li><li><b>General Availability (Worldwide): </b>Rollout will begin in<b>&nbsp;mid-July 2026 </b>(previously late June)&nbsp;and is expected to complete by<b>&nbsp;late July 2026 </b>(previously late June).</li></ul><p><b>[Impact on Your Organization]</b></p><p><i>Who is affected</i></p><p style="margin-left: 25px;">All Microsoft Teams users who send files in chats or channels</p><p><i>Platforms/Services</i></p><ul><li>Microsoft Teams</li><li>Desktop (Windows, Mac)</li><li>Web</li><li>Mobile (iOS, Android)</li></ul><p><i>What will happen</i></p><ul><li>Users will be able to send chat messages while files are uploading.</li><li>File uploads will occur asynchronously in the background.</li><li>The message input box will no longer be blocked during uploads.</li><li>There are no changes to how files are stored or shared.</li><li>Existing compliance, retention, and security policies remain unchanged.</li><li>This feature will be enabled by default for all tenants.</li></ul><p><b>[Action Required / Recommendations]</b></p><ul><li>No action is required.</li><li>Consider informing your users about improved file upload behavior in <i>Teams chats</i>.</li><li>Update internal training or support documentation if you reference file-sharing workflows.</li></ul><p><b>[Compliance considerations]</b></p><p>No compliance considerations identified. Review as appropriate for your organization.</p>

Desktop, Mac, Web