Yes, you can change schedule for active campaigns. To change the schedule for any campaign:
- Open the list of your campaigns by clicking on the Campaign tab.
- Select a campaign you want to change the schedule by clicking on it.
- Open the Steps page of the campaign interface.
- Click on the Sending schedule drop down list to select a new schedule.
Note: you must create an alternate schedule first to be able to change the campaign schedule. To do this, navigate to the Schedules page of the Settings tab and click Create new schedule.