check before: 2025-07-01
Product:
Teams
Platform:
Mac, Online, Web, Windows Desktop, World tenant
Status:
Scheduled
Change type:
New feature, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Teams is introducing a feature allowing file attachments in external 1:1 and group chats, enhancing collaboration. This feature will roll out in July 2025 and requires admin configuration. Admins can enable it via PowerShell using the FileSharingInChatsWithExternalUsers policy. More details are available on the Microsoft Learn link provided.
Details:
We're introducing a new capability in Microsoft Teams that allows users to attach files when chatting with external users in 1:1 and group chats. This enhancement improves collaboration by enabling seamless file sharing across organizational boundaries.
This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web.
This message is associated with Microsoft 365 Roadmap ID 492625.
[When this will happen:]
Targeted Release: We will begin rolling out early July 2025 and expect to complete by mid-July 2025.
General Availability (Worldwide): We will begin rolling out mid-July 2025 and expect to complete by late July 2025.
Change Category:
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Scope:
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Release Phase:
Created:
2025-06-25
updated:
2025-06-25
Task Type
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Docu to Check
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MS How does it affect me
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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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Pictures
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summary for non-techies**
Microsoft Teams will introduce a feature in July 2025 that allows users to attach files directly in chats with external users, requiring administrators to enable it via PowerShell, and marking shared files with an "External" tag for awareness.
Direct effects for Operations**
File Sharing Configuration
If the new file attachment feature is rolled out without proper admin configuration, users will be unable to share files with external users, leading to frustration and reduced collaboration efficiency.
- roles: IT Admin, End User
- references: https://learn.microsoft.com/powershell/module/teams/set-csteamsfilespolicy?view=teams-ps#-filesharinginchatswithexternalusers, https://www.microsoft.com/microsoft-365/roadmap?id=492625
User Experience
Without preparation, users may experience confusion and dissatisfaction due to the lack of file sharing capabilities in chats with external users, as they will not be aware of the new feature and its requirements.
- roles: End User, Support Staff
- references: https://learn.microsoft.com/powershell/module/teams/set-csteamsfilespolicy?view=teams-ps#-filesharinginchatswithexternalusers, https://www.microsoft.com/microsoft-365/roadmap?id=492625
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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Last updated 2 weeks ago
