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Prevent users from sharing content in external Teams meetings

  • Article
  • Applies to:
    Microsoft Teams

Information icon. Some features described in this article require Teams Premium.

APPLIES TO: ✔️Meetings ✖️Webinars ✖️Town halls

Overview

If you enabled content sharing for users in your org, they can present a screen, window, or app in Microsoft Teams meetings. When users from your org attend external meetings, they can share content if the organizer of that meeting set Who can present to Everyone or Specific people. However, you might want to prevent some of your users from sharing sensitive information when attending external meetings. As an admin, you can control whether users in your org with a Teams Premium license can share content when attending external Teams meetings.

Manage the types of meetings your users can share content in

You can use the Teams admin center or the -ContentSharingInExternalMeetings parameter in PowerShell to manage the types of meetings your users can share content in.

Teams admin center policy option PowerShell value Behavior
Any org EnabledForAnyone This is the default value. Users with this assigned policy can share content when attending meetings that any org hosts.
Trusted orgs and guests EnabledForTrustedOrgs Users with this assigned policy can only share content when attending meetings that trusted orgs and guests that you defined in your External access policy host.
No other orgs Disabled Users with this assigned policy can’t share content when attending any external meetings.

Prevent users from sharing content in external meetings in the Teams admin center

Follow these steps in the Teams admin center to manage the types of meetings your users can share content in:

  1. Open the Teams admin center.
  2. Expand Meetings from the navigation pane.
  3. Under Meetings, select Meeting Policies.
  4. Either select an existing policy or create a new one.
  5. Navigate to the Content sharing section.
  6. Set Participants can share content in external meetings hosted by to your chosen value of either Any org, Trusted orgs and guests, or No other orgs.
  7. Select Save

Prevent users from sharing content in external meetings using PowerShell

You can use the -ContentSharingInExternalMeetings parameter in the CsTeamsMeetingPolicy cmdlet to manage which external meetings your users can share content in.

To prevent users with this policy from sharing content in any external meetings, use the following script:

Set-CsTeamsMeetingPolicy -Identity <policy name> -ContentSharingInExternalMeetings Disabled

For users with this policy to only share content in meetings that trusted orgs and guests host, use the following script:

Set-CsTeamsMeetingPolicy -Identity <policy name> -ContentSharingInExternalMeetings EnabledForTrustedOrgs

Supported and unsupported meeting types and platforms

This feature supports the following meeting types and platforms:

  • Meetings scheduled through Outlook and Teams calendar
  • Desktop T2.1 (Windows and Mac)
  • Mobile (Android and iOS)
  • Web
  • VDI 2.0
  • Shared channel meetings
  • Private or public channel meetings

This feature doesn’t support the following meeting types and platforms:

  • Microsoft Teams free meetings
  • Meetings scheduled through Graph
  • Group Calls/1:1 calls
  • Meet now
  • MTR [Windows, Surface Hub, Android], CVI, VDI 1.0
  • Classic Teams
  • TFL and TFW meeting federation

This policy doesn't prevent your users from sharing content in external meetings anonymously when they aren't signed into Teams.