Office365 SLAs and Service Descriptions
There is a wealth of information about what our services are, how they compare to on-premises services, what our service levels and support lifecycles are etc.... but it can be hard to find them all in one place. This is the most common follow up we send out after a customer conversation.
Consolidated Service Agreement for Microsoft Online Services
https://microsoftvolumelicensing.com/DocumentSearch.aspx?Mode=3&DocumentTypeId=37
Microsoft Online Services Support Lifecycle
https://support.microsoft.com/lifecycle/?LN=en-ca#tab5
Microsoft Online Services Support Lifecycle FAQ
https://support.microsoft.com/gp/OSSLfaq
Microsoft Online Subscription Agreement
https://www.microsoft.com/online/MOSA/MOSA-en-na.aspx
Office365 Individual Detailed Service Descriptions (great feature/function information with comparisons between on-prem and online services)