From ATL Conf Standard, any team (either large or small) can collaborate and work effectively.

In addition, create and manage teams of between 10 and 10,000 users.

That with the Standard plan, teams gain flexibility and content management and content management controls users, in addition to support to your measure.   

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This plan is required to include functions such as space and page permissions, page information, page archiving, audit logs, anonymous access, support during office hours and 250 GB of storage space.