Guest Access Extension process As part of the Azure B2B Guest Access service, a number of controls have been put in place to mitigate the risks associated with sharing data with users from external organisations.
Introduction and creation of external federated groups External Federated Groups will allow Local Administrators to dynamically manage guest invitations for multiple external users, mitigating the need to invite them one by one.
Creating Guest Accounts – External Sharing Settings Once an external user is added into the Azure Active Directory, users can share using O365 applications
Guest Inviter Group Management Eligible Guest Inviter groups allow Local Administrators to apply Guest Inviter permissions to a defined group of users.
Create a Teams federation allow list request Guidance around allow listing external domains within the NHSmail shared tenant environment to have Teams federation successfully enabled