Just to add a bit more to the alphabet soup of Office 365 Plans, Microsoft offers K, or kiosk, plans for specialized scenarios. For example, a factory floor where several people share a single computer would be a good candidate for a K plan. Another example might be a retail store chain where various shifts use a common PC at the counter. In cases like these, each user needs to access email and open Office documents from a web browser but does not have an individual instance of Office to use.

Plan K1 is only $4 per month and includes the following:

Plan K2 is $8 a month and includes Plan K1, plus read and write capabilities with Office Web Apps.