Query Office 365 Tenant ID
The Office 365 Tenant ID is pretty good hidden. Therefore here are two was finding out what's your Tenant ID ist. Open PowerShell and login into Office 365 Set-ExecutionPolicy RemoteSigned $credential = Get-Credential Connect-MsolService -Credential $credential $Tenantdomain = ' YourOFFICE365TenantName .onmicrosoft.com' $TenantID = (Invoke-WebRequest https://login.windows.net/YourOFFICE365TenantName.onmicrosoft.com/.well-known/openid-configuration|ConvertFrom-Json).token_endpoint.Split(‘/’)[3] $TenantID Finding the Tenant ID in SharePoint Author: Thomas Poett MVP, Business Unit Lead Microsoft Unified Communication