What's the difference between Outlook Non 365 vs. Outlook 365?

Device  Outlook Non365 Outlook 365
Windows YES 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.


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