Using the Outlook Mobile Add-in within GCC Environments

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  • Updated on Aug 13, 2025
  • Published on Aug 13, 2025
  • 1 minute(s) read
  • corey smith
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In Microsoft 365 GCC and GCC High environments, mobile add-ins are disabled by default. Even if they are deployed through the Microsoft 365 Integrated Apps portal, these add-ins will not load on a mobile device.

On Android, the Add-ins menu option is missing from the app’s settings. On iOS, attempting to access add-ins displays the message: “This account does not support Add-ins.”

To enable Outlook mobile add-ins, you’ll need to update the Microsoft 365 tenant configuration using Exchange Online PowerShell.

Steps:

  1. Connect to Exchange Online PowerShell and sign in with a Global Administrator account.

Connect-ExchangeOnline

  1. After establishing the connection, run the following command to turn off mobile add-ins:

Set-OrganizationConfig -OutlookMobileGCCRestrictionsEnabled $false

  1. To verify the current setting, run this command:

Get-OrganizationConfig | fl OutlookMobileGCCRestrictionsEnabled

  1. If the feature is disabled, the output will look like this:

Please reference Using Outlook for iOS and Android in the Government Community Cloud in Exchange Online for additional information.

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