How to find your Office 365 Tenant ID

Office 365 Tenant ID is a globally unique identifier (GUID) value for your Azure AD Tenant. You can find your Tenant ID in the following methods.

1. From Azure AD Portal

You can find your tenant ID in the Azure AD portal if you have Azure AD administrator privilege.

  • Log in to Azure AD Portal (https://portal.azure.com).
  • In the Azure portal, click Azure Active Directory in the left-side navigation box.
  • Under Manage, click Properties. You can retrieve the tenant id from the Directory ID box.
How to retrieve your Office 365 Tenant ID
 

2. Use Azure AD PowerShell

If you have already installed Azure AD Powershell V2 module, then you can get TenantId while running the Connect-AzureAD cmdlet.

PS C:> Connect-AzureAD | FL

Account      : [email protected]
Environment  : AzureCloud
Tenant       : xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
TenantId     : xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
TenantDomain : DomainName.onmicrosoft.com

3. Use Azure CLI

If you have Azure CLI setup, you can run the command “azure account show” to get your tenant id.

$ azure account show

data:    Name                        : Subscription Name
data:    ID                          : yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy
data:    State                       : Enabled
data:    Tenant ID                   : xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
data:    Is Default                  : true
data:    Environment                 : AzureCloud
data:    Has Certificate             : No
data:    Has Access Token            : Yes
data:    User name                   : [email protected]

You can fine tune the result by running below commands.

azure account show --json | jq -r '.[0].tenantId'

or 

az account show --subscription a... | jq -r '.tenantId'
az account list | jq -r '.[].tenantId'

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