Managing external access and setting external access options for SharePoint and OneDrive

For admins more familiar with external access settings in SharePoint and OneDrive, it may be confusing to differentiate between guest access and external access.

External access allows the users of Teams in other domains to find you and use the communication features of calling, chatting, and setting up meetings with you. They do not have individual team or channel access, or access to the SharePoint content in the backend. It's strictly communication and meeting abilities. External users do not have to sign out of their own domain/organization in order to be able to communicate with you in yours.

Guest access is the ability to allow a user from another organization to be a member of a team. In addition to communication features, guest access members can also collaborate in Teams, channels, and on files. They have mostly the same team capabilities as internal members (unless a guest...