check before: 2026-06-15
Product:
Teams, Windows
Platform:
Android, iOS, Mac, mobile, Online, US Instances, Web, Windows Desktop, World tenant
Status:
Feature Rollout Status Not Supported
Change type:
Admin impact, New feature, Updated message, User impact
Links:
Details:
Summary:
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.
Details:
Updated May 28, 2026: We have updated the timeline. Thank you for your patience.
[What and Why]
Users are currently blocked from sending messages in Microsoft Teams 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.
This message is associated with Microsoft 365 Roadmap ID 560813.
[Rollout Schedule]
Targeted Release: Rollout will begin in early July 2026 (previously mid-June) and is expected to complete by mid-July 2026 (previously late June).
General Availability (Worldwide): Rollout will begin in mid-July 2026 (previously late June) and is expected to complete by late July 2026 (previously late June).
[Impact on Your Organization]
Who is affected
All Microsoft Teams users who send files in chats or channels
Platforms/Services
Microsoft Teams
Desktop (Windows, Mac)
Web
Mobile (iOS, Android)
What will happen
Users will be able to send chat messages while files are uploading.
File uploads will occur asynchronously in the background.
The message input box will no longer be blocked during uploads.
There are no changes to how files are stored or shared.
Existing compliance, retention, and security policies remain unchanged.
This feature will be enabled by default for all tenants.
[Action Required / Recommendations]
No action is required.
Consider informing your users about improved file upload behavior in Teams chats.
Update internal training or support documentation if you reference file-sharing workflows.
[Compliance considerations]
No compliance considerations identified. Review as appropriate for your organization.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2026-05-22
updated:
2026-06-10
Task Type
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Docu to Check
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
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Direct effects for Operations**
User Experience Improvement
Users will experience enhanced collaboration as they can send messages while files upload, reducing frustration and improving workflow.
- roles: End Users, Team Leaders
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=560813
Potential Miscommunication
Without preparation, users may send messages that reference files not yet uploaded, leading to confusion or miscommunication.
- roles: End Users, Support Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=560813
Configutation Options**
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Data Protection**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-06-10 | MC Feature Status | Feature Rollout Status Not Supported | |
| 2026-05-29 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
| 2026-05-29 | MC Summary | Microsoft Teams will allow users to send messages while files upload asynchronously in the background, improving real-time collaboration. This update, rolling out worldwide in June 2026, affects all platforms and requires no action. Compliance and file-sharing policies remain unchanged. | 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. |
| 2026-05-29 | MC Last Updated | 05/21/2026 18:16:15 | 2026-05-28T17:56:39Z |
| 2026-05-29 | MC Messages | [What and Why]
Users are currently blocked from sending messages in Microsoft Teams 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. This message is associated with Microsoft 365 Roadmap ID 560813. [Rollout Schedule] Targeted Release: Rollout will begin in mid-June 2026 and is expected to complete by late June 2026. General Availability (Worldwide): Rollout will begin in late June 2026 and is expected to complete by late June 2026. [Impact on Your Organization] Who is affected All Microsoft Teams users who send files in chats or channels Platforms/Services Microsoft Teams Desktop (Windows, Mac) Web Mobile (iOS, Android) What will happen Users will be able to send chat messages while files are uploading. File uploads will occur asynchronously in the background. The message input box will no longer be blocked during uploads. There are no changes to how files are stored or shared. Existing compliance, retention, and security policies remain unchanged. This feature will be enabled by default for all tenants. [Action Required / Recommendations] No action is required. Consider informing your users about improved file upload behavior in Teams chats. Update internal training or support documentation if you reference file-sharing workflows. [Compliance considerations] No compliance considerations identified. Review as appropriate for your organization. | Updated May 28, 2026: We have updated the timeline. Thank you for your patience.
[What and Why] Users are currently blocked from sending messages in Microsoft Teams 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. This message is associated with Microsoft 365 Roadmap ID 560813. [Rollout Schedule] Targeted Release: Rollout will begin in early July 2026 (previously mid-June) and is expected to complete by mid-July 2026 (previously late June). General Availability (Worldwide): Rollout will begin in mid-July 2026 (previously late June) and is expected to complete by late July 2026 (previously late June). [Impact on Your Organization] Who is affected All Microsoft Teams users who send files in chats or channels Platforms/Services Microsoft Teams Desktop (Windows, Mac) Web Mobile (iOS, Android) What will happen Users will be able to send chat messages while files are uploading. File uploads will occur asynchronously in the background. The message input box will no longer be blocked during uploads. There are no changes to how files are stored or shared. Existing compliance, retention, and security policies remain unchanged. This feature will be enabled by default for all tenants. [Action Required / Recommendations] No action is required. Consider informing your users about improved file upload behavior in Teams chats. Update internal training or support documentation if you reference file-sharing workflows. [Compliance considerations] No compliance considerations identified. Review as appropriate for your organization. |
| 2026-05-29 | MC Platforms | Desktop, Mac | Desktop, Mac, Web |
| 2026-05-29 | MC Title | Microsoft Teams: Unblock users to send message while file is uploading in the background | (Updated) Microsoft Teams: Unblock users to send message while file is uploading in the background |
| 2026-05-29 | MC End Time | 07/30/2026 09:00:00 | 2026-08-31T09:00:00Z |
Last updated 1 day ago ago
