Goal
To cancel a scheduled Email or SMS sendout.
Prerequisite
A message has been created and scheduled for sendout at a future date and time. Scheduled messages have the status “Scheduled” in the column Status.
This means that the message is now saved in the Processed Messages Overview window (see Email Messages: Outbox or SMS Messages: Outbox).
Procedure
In the main navigation menu, click Messages > Outbox > Email or SMS.
Next to the message you would like to reschedule, select Cancel Sendout from the 3-dot menu.

The sendout is cancelled. The message is now saved and available for further editing in the Prepared Messages Overview window.