| Device | Outlook Non365 | Outlook 365 |
| Windows | YES | YES |
| Mac | NO | YES |
| Outlook Web (OWA) | NO | YES |
| Individual Tracking Limit | 500 Recipients | 5,000 Recipients |
| Scheduled Send | YES* | YES |
| Automatic Updates | NO ( Manual Update 2-3 times a year) | YES |
| Shared Mailbox | YES | YES, more info here |
| Send Using Distribution List | YES, with right permissions | YES, with right permissions |
| Sending Sidebar | YES, explanation here | YES, explanation here |
*Outlook Classic offers the ability to schedule your email sends but only if Outlook is running at the time the email is scheduled to go out. If Outlook is closed when the scheduled time lapses, the email will remain in the Outbox and will be sent as soon as Outlook has started back up again.