Enrolling with Office 365 is very straightforward, and to get a flavor for what Office 365 offers it's possible to sign up for a trial account.
Three main service plans or options are available for Office 365:
Service Plan |
Minimum/Maximum Users |
On Premise Integration |
---|---|---|
Office 365 for Professionals and Small Businesses |
1-50 |
No |
Office 365 for Midsize Businesses and Enterprises |
1-10,000+ |
Yes |
Office 365 for Education |
1-10,000+ |
Yes |
The most basic version, for professionals and small businesses, aimed at less than 25 users is the most limited and doesn't provide some of the more advanced features, but the latter options provide the full feature set.
It's not possible to move between the professionals/small businesses version and midsize business/enterprise/education versions, so if the advanced features like federation, hybrid configurations, directory synchronization, and PowerShell management are likely to be required, it's worth starting with the...