In development
Outlook: Keep Invitations After Responding in Outlook Mobile
Why it matters: Upcoming change
What to do: You can now control whether meeting invitations are automatically removed from your inbox after you RSVP.
You can now control whether meeting invitations are automatically removed from your inbox after you RSVP. Simply to go to settings, calendar, and turn off or on "Delete Invite After RSVP."
Affected: Outlook