http://blog.mikehacker.net/2011/11/21/sharepoint-online-plans-usage-rights/ High-Level usage rights comparison across user subscriptions plans (12/21/2011) Feature Partner Access Plan (external partners) SharePoint Online Kiosk 1 and Kiosk 2 SharePoint Online E1 and E2 SharePoint Online E3 and E4 SharePoint Online Plan 1 SharePoint Online Plan 2 Can access all team sites by default? No 1 Yes Yes Yes Yes Yes My Site No No Yes Yes Yes Yes Enterprise Features (Access, Business Connectivity Services (BCS), InfoPath Forms, Excel and Visio Services) Yes 2 Yes 3 No Yes 2 No Yes 2 Office Web Apps View only K1 – View only K2 – View and edit E1 – View only E2 – View and edit View and edit View only View only Adds storage to the company’s overall pooled quota? No No Yes. 500MB per user subscription license Yes. 500MB per user subscription license Yes. 500MB per user subscription license Yes. 500MB per user subscription license Can be an administrator of tenant, site or site collection...