Connect-MsolService

By default, when an Azure AD B2B collaboration user is added to a tenant, the UserType property of the user is set to “Guest.” However, it may be the case that the host organization wants to treat the invited user as a member rather than a guest.

If you have not yet implemented any identity protection mechanisms, such as multi-factor authentication (MFA), or to satisfy your company’s security regulations, you should establish a password expiration policy. In that case, this article will interest you.