Specifies the type of authentication to use when connecting to Microsoft Excel Online. If this property is left blank, the default authentication is used.

Possible Values

Data Type

string

Default Value

"AzureAD"

Remarks

• AzureAD: Perform Azure Active Directory (user-based) OAuth authentication.
• AzureMSI: Automatically obtain Azure AD Managed Service Identity credentials when running on an Azure VM.
• AzureServicePrincipal: Authenticate as an Azure Service Principal (role-based, application-based) using a Client Secret.
• AzureServicePrincipalCert: Authenticate as an Azure Service Principal (role-based, application-based) using a Certificate.

For information about creating a custom application to authenticate with Azure AD, see Creating an Azure AD Application.

For information about creating a custom application to authenticate with Azure AD Service Principal, see Creating an Azure AD App with Service Principal.