FUENTE: http://tomislavspadmin.blogspot.com/2018/05/everyone-except-external-users.html First you need to run Connect-SPOService Connect-SPOService https://************-admin.sharepoint.com If you want to show/enable Everyone except external users run the following command: Set-SPOTenant -ShowEveryoneExceptExternalUsersClaim $true If you want to hide/disable Everyone except external users run the following command: Set-SPOTenant -ShowEveryoneExceptExternalUsersClaim $false