Groups in Office 365 let you choose a set of people that you wish to collaborate with and easily set up a collection of resources for those people to share. Resources such as a shared Outlook inbox, ...

M365 Business Premium increases by $2, from $20 to $22. Office 365 (O365) E1 increases $2, from $8 to $10. O365 E3 increases by $3, from $20 to $23. O365 E5 increases $3, from $35 to $38.