Cloud Services Terms and Concepts
| Term | Description |
|---|---|
| On-premises Users | Users whose mailboxes reside in the on-premises Exchange environment. |
| Cloud Users | Users whose mailboxes reside in the cloud, such as Microsoft Office 365 users. |
| Hybrid environment | A Microsoft-specific term defined in https://support.office.com/en-us/article/exchange-online-setup-with-an-exchange-hybrid-deployment-87c4eac6-f7fa-42c5-b449-efb1311f9fe4. |
| Exchange envelope journaling | A Microsoft-specific term defined in https://technet.microsoft.com/en-us/library/aa998649(v=exchg.150).aspx. |